nyuuzyou/wikis huggingface dataset:
Mesosian

Mesosian refers to medians who are near or in the middle of the singlet-multiple spectrum.https://fallenheartsgalaxy.tumblr.com/post/616766386068488193/new-terms-mega-post
==Related Terms==
Mesosian's counterparts are parasian (near the singlet side of the spectrum) and diversian (near the multiple side of the spectrum).
A varion (or medianflux) is a term for Median systems that fluctuates on the Median spectrum, experiencing the fluctuations of either being more singlet or multiple on any given day/week.
== References ==
Category:Headmate Separation
Mesosystem

A mesosystem is a group in a system that is larger or more distinct than a sidesystem but too small or not distinct enough to be a hemisystem. Mesosystems may contain sidesystems, subsystems, sparsystems, or any other grouping.
The term comes from the Ancient Greek adjective for "middle, between, amidst". https://termora.org/term/mesosystem
== Related terms ==
As a type of sisasystem, the term mesosystem is related to other sisasystem terms. While most commonly within a hemisystem, subplex, or larger/more separate grouping, mesosystems can be anywhere in a system's structure.
Metaregna are similar to mesosystems, being groupings of sidesystems, but are decidedly a "looser" form or type of grouping.
== Gallery ==
File:Mesosystem Pride Flag 1.png|Mesosystem flag by "Ice"
File:Mesosystem Pride Flag 2.png|Mesosystem flag (without lines) by "Ice"
== References ==
Category:Terms specific to sisasystems
Metagenic

Metagenic systems are ones that formed with metaphysical or spiritual origins not necessarily tied to any religion or practice.https://sites.google.com/view/plural-terms/system-origins?authuser=0#h.u6zlr4s8xexj
==Variants==
Metaorma is a more specific variant referring to headmate origin, using the -orma suffix. 
Metadawn is a more specific variant referring to sisasystem origin, using the -dawn suffix. 
==History==
The variants metaorma and metadawn, along with their flags, were created by A Shattered Dragon's Spirit on November 2nd 2023. 
==Related Terms==
Spirigenic is a complementary term for spiritual origins with an emphasis on religious spirituality. 
== References ==
Category:Origin Terms
Category:Spontaneous Origin Terms
Category:Spiritual Origin Terms
Category:Metaphysical Terms
Metaject

A metaject is an introject of another introject.https://docs.google.com/document/d/1vJonGM0Bty8GyoikofIkGPFr4qhmaPk4aRoxrBnyluE/mobilebasic The "meta-" prefix may be applied to any introject term to apply to this context. For example, the source of a metaject's source introject is their meta-source. 
==Related Terms==
If the source headmate is part of the same system, the metaject may also be called a double. If they are part of another system, the metaject may be called an amitive.
==References==
Category:Headmate Terms That Relate To Relationships
Metalayer

A metalayer is a series of worlds or otherwise separated places that exist in the same physical, “physical”, or literal space in a system, where travel is (theoretically, at least) easy between them.https://termora.org/term/metalayer
A metalayer is distinct from a cosmos in that the worlds are connected physically or the-equivalent-to-physically - one can travel between them directly from point A to point B, though depending on the limitations of the innerworld in question this may not be practically possible without teleportation.
== Related Terms ==
Metalayers are made up of individual layers.
A metalayer is a type of individual headspace.
A cosmos is a correspondent term. referring to layers linked nonphysically or indirectly.
Alarach (also Suniomin, Suni) is an umbrella term for layers, metalayers, and cosmoses that "stand on their own", as distinct units completely independent from each other
Gateways may be metagateways, when they are structured similarly or the same to metalayers.
== References ==
Category:Headspace Modifiers
Metallicagenic

Metallicagenic is a xeno-origin relating either metaphorically or literally to the heavy metal band Metallica, the music of Metallica, or the members of Metallica themselves.
Metallicagenic systems may have factives based on members of Metallica. Some can have songtives of Metallica songs.
== Variants ==
Metallicaorma is a specific variant of Metallicagenic referring to headmate origin, using the -orma suffix.
Metallicadawn is a specific variant of Metallicagenic referring to sisasystem origin, using the -dawn suffix.
== History ==
Metallicagenic, Metallicaorma, and Metallicadawn was coined by Pluralpedia user "Ice" on Discord on November 18th 2024.
== Related Terms ==
Megadethgenic is an origin relating to Megadeth, the band that former lead guitarist Dave Mustaine was apart of after Metallica.
== Gallery ==
File:Metallicagenic Pride Flag 1.png|Metallicagenic flag with the Metallica logo. Created by "Ice".
File:Metallicagenic Pride Flag 2.png|Metallicagenic flag with the album cover to Ride the Lightning. Created by "Ice".
File:Metallicagenic Pride Flag 3.png|Metallicagenic flag without anything. Created by "Ice".
File:Metallicaorma Pride Flag 1.png|Metallicaorma flag with the Metallica logo. Created by "Ice".
File:Metallicaorma Pride Flag 2.png|Metallicaorma flag with the album cover to ...And Justice for All. Created by "Ice".
File:Metallicaorma Pride Flag 3.png|Metallicaorma flag without anything. Created by "Ice".
File:Metallicadawn Pride Flag 1.png|Metallicadawn flag with the Metallica logo. Created by "Ice".
File:Metallicadawn Pride Flag 2.png|Metallicadawn flag with the album cover to Metallica (The Black Album.) Created by "Ice".
File:Metallicadawn Pride Flag 3.png|Metallicadawn flag without anything. Created by "Ice".
Category:Xeno-Origin Terms
Category:Origin Terms
Category:Music-Related Terms
Metalspace

Metalspace refers to a headspace that functions and behaves similar to or is composed entirely or primarily of metal. Examples may include areas of one's headspace that start malleable and easy to manipulate and "cool down" (literally or figuratively) over time, becoming more difficult or impossible to change. Depending on the system, such an area may be able to be "reheated" to be easier to manipulate again. https://www.tumblr.com/raniamei/733898042780139520/plural-term-metalspace
==Related Terms==
This term uses the -space suffix. 
Terms with the -motum suffix similarly describe how a headspace may be interacted with or manipulated. 
==References==
Category:-space Terms
Category:Headspace Modifiers
Category:Structure
Metamemoir

Metamemoirs are written records of memories of metaphysical or spiritual nature.
== History ==
This term was coined by the Vexed System with the help of the Morpho Collective on Tumblr on September 24, 2023.https://www.tumblr.com/vexedsystem/727566396077293568/term-coining-post-memory-writing Archive: https://archive.today/GVQsK
== Related Terms ==
Exomemoir for exomemories.
Pseudomemoir for pseudomemories.
== References ==
Category:Not Plural Exclusive
Metamorphic

Metamorphic refers to headmates or subsystems who are comprised of at least two self-states (or selves) that are closely built together, resulting in an increased ease blending and shifting between states / selves. This presentation occurs between the time states / selves begin to view themselves as one and the time they can no longer be differentiated, though it can happen outside of the sliding scale.
Metamorphic headmates or groups are less likely to break apart into the same pieces they were before the bond, depending on how long they have been together and whether they now share self-states between them. 
== Related Terms ==
Sedimentary members may become metamorphic with time and/or effort.
Metamorphic members may become igneous with time/effort.
Metamorphic members may break into sediment fragments.
Metamorphic functioning may be the goal of systems pursuing final fusion or cooperative multiplicity.
Category:Headmate Separation
Metapherō

A metapherō is a headmate that has introjected traits from a character based off of themself, in any medium.
While it is possible for a metapherō to directly influence the traits introjected it normally happens outside of their control and can happen without them realizing it at the time. Similarly to an ouroboros, the headmate in question, the more they continue to introject traits from their source, the more it can fuel the source progression. 
This can be considered a type of ouroboros or mostive.
Metaphor-based Internal Age

Metaphor-based Internal Age is one way that systems, groups, and/or headmates can experience internal age.
In systems with metaphor-based internal age, members will identify with/as an age due to the meaning behind it and not necessarily because where they are in terms of development mirrors those who are bodily that age.
One example of this would be a member who is 14 because they formed to deal with an event that happened when their system was 14, but would be considered much older if their age was based on what developmental milestones they have passed. The inverse can happen as well.
Another example would be a member who considers themself 8 just because they like the number or it is otherwise significant. 
In these cases, it may be more helpful to try and treat the member with a metaphor-based internal age based on their personal capabilities and boundaries than it would be to use their internal age as a guide to appropriate socialization. 
== Related Terms ==
Development-based Internal Age is another way that systems and/or headmates can experience internal age. 
There is not a sharp cutoff between development-based internal age and metaphor-based internal age, but a fuzzy spectrum that can have overlaps.
Category:Structure
Category:Age-Related Terms
Metaplex

Metaplex is a plurplex term where metaphysical beliefs affects the entire system in some way.https://www.tumblr.com/chiroluna/730647851537924096/metaplex
== Gallery ==
MetaplexByClusterBrains.PNG
Metaplex2ByClusterBrains.PNG
== References ==
Category:Plurplex terms
Category:-plex Terms
Metaregnum

A metaregnum (plural: metaregna) is a loose grouping of sidesystems, that is formalized, informal, or historical in nature, and may overlap with other metaregna. It is less of a discrete, "solid" unit than a hemisystem, mesosystem, or sidesystem, and is very often a voluntary association, without necessarily having a structural element to it.
== Related Terms ==
A metaregnum is similar in structure to a layer cluster and a lavhachruk, and is a variety of sisasystem cluster. As a sisasystem cluster term, metaregnum is related to other sisasystem terms, especially hemisystems and mesosystems, which may contain metaregna, as well as sidesystems, which metaregna are made up of.
Category:Terms specific to sisasystems
Category:Structure
Miagenic

Category:Origin Terms
Miagenic describes systems who were specifically formed through or influenced by bulimiahttps://the-planetary-nebula.tumblr.com/post/665904793824444416/edisgenic-subtypes.
==History==
Miagenic was coined on the 18th of October 2021 by Tumblr user the-planetary-nebula.
==Related Terms==
Miagenic is a subtype of edisgenic, or a system or headmate was specifically formed by or influenced by an eating disorder. Other subtypes include diagenic and rumigenic. All of these are under the neurogenic umbrella, and possibly neurotraumagenic.
==References==
Category:Eating Disorder-Related Terms
Category:Disorder-Related Terms
Category:Adaptive Origin Terms
Category:Anthro-Origin Terms
Microcosmic

Microcosmic ([ˈmaɪkrəˌkɑzmɪk] or [mai-kro-kawz-mik]) is a gender system where one's gender feels like or is a microcosm of something else. For example, a gender that is a microcosm of Jupiter may be called jupitercrocosmis, jupitermicrocosmic, microjupitercosmic, or similar.https://www.tumblr.com/keyringmogai/719160354963341312/microcosmic-updated
==History==
Etymology: From English microcosm, which can be defined as "a small or representative version of a larger entity, concept, or other function. "Microcosm" comes from Greek mikros kosmos, meaning "little world".
This term was made with plurality in mind but is not exclusive to plurals. 
The term was originally posted on May 18th, 2023 with the inital flaghttps://www.tumblr.com/keyringmogai/717693007006187520/microcosmic, and later updated and reposted on June 4th, 2023 with an extended definition and an alternate flag version.
==Gallery==
Microcosmic1.jpg|Microcosmic Flag (keyringmogai, May 18th, 2023 / June 4th, 2023)
Microcosmic2.jpg|Microcosmic Flag, greyscale (keyringmogai, June 4th, 2023)
==Related Terms==
A microcosplex is a plurplex with a collective microcosmic gender. 
Cosmien genders are experienced as planes of existence, and may be a related concept. 
==References==
Category:Genders
Category:Not Plural Exclusive
Microcosplex

A microcosplex ([ˈmaɪkrəˌkɑzˈplɛks] or [mai-kro-kawz-plex]) is a plurplex in which a system's / collective's / etc. collective gender is microcosmic / a microcosm. 
For example, if a collective's gender was a microcosm of Jupiter, the collective would be a jupitermicrocosplex, microjupiterplex, microjupitercosplex, or similar. This does not imply that the collective itself is a microcosm, just their shared gender.https://www.tumblr.com/keyringmogai/719359100986802176/microcosplex
==History==
Etymology: Microcos from microcosmic, plex as the suffix for plurplex identities.
Flag colors: Purples inspired by galaxies and the night sky. White for stars.
==Gallery==
Microcosplex1.jpg|Microcosplex Flag (keyringmogai, June 6th, 2023)
Microcosplex2.jpg|Microcosplex Flag, greyscale (keyringmogai, June 6th, 2023)
==References==
Category:Genders
Category:Plurplex terms
Category:-plex Terms
Microlagenic

Microlagenic is a subset to queergenic in which a system forms headmates based around microlabels. For example, they may have headmates that are personified versions of terms such as idemromantic and apatosaurugender.
== History ==
The term was coined by LGBTQIA+ Wiki user Cryptocrew on June 5th, 2021.https://www.lgbtqia.wiki/wiki/Queergenic#History
==References==
Category:Plural-Related LGBTQ Terms
Category:Origin Terms
Category:Endogenic Origin Terms
Middle

A middle is a headmate that behaves or otherwise feels like they are teen-age, often capping at age 17. Tweens may also be included in this. 
== Related Terms ==
Big and little are other common age indicators.
Age sliding is when a headmate varies in how old they feel, often going back and forth between adult and little, but can be any ages.
Category:Common Terms
Category:Age-Related Terms
Category:Headmate Terms That Relate To Attributes
Category:Headmate Terms That Relate To Experiences
Middlex

A middlex is a non-explicit term for a middle, or age-slider, that holds trauma with more adult themes (such as negative sexual, or drug-related experiences). It can also refer to introjects of trauma related to it.https://web.archive.org/web/20220311004740/https://neopronouns.tumblr.com/post/677530334746820608/original-icon-friendly-middlex-a-middle-system
== History ==
The term is based on littlex, and its flag colors are based on the trauma holder and systeen flag colors.
== Related Terms ==
Littlex is the equivalent of middlex for littles/syskids.
== Gallery ==
File:Middlex flag ver1.png|alt=the first middlex flag has a square diamond in the center with thin horizontal stripes extending from the left and right corners to the edges of the flag. the left half and stripe are blue-grey and the right half and stripe are dark faded indigo. the top left of the flag is dark pinkish-red and the bottom left of the flag is blue-black; these sections extend in the same direction as the sides of the diamond, thus taking up more than half of the flag. the top right of the flag is light grey-green and the bottom right is light grey-yellow.|The first middlex flag. By Dexter/neopronouns on tumblr.
File:Middlex flag ver2.png|alt=the second middlex flag has 6 stripes, with the third and fourth being half the size of the others. in order, they are blue-black, dark pinkish-red, blue-grey, dark faded indigo, light grey-yellow, and light grey-green.|The second middlex flag. Also by Dexter/neopronouns on tumblr.
== References ==
Category:System Roles
Category:Age-Related Terms
Category:Headmate Terms That Relate To Experiences
Category:Headmate Terms That Relate To Attributes
Midfortive

Midfortive refers to a type of introject that is sort of disconnected from their source or parts of their source, but not completely. https://pluralterms-ohmy.tumblr.com/post/650910881734066176/midfortive
They can still connect with certain parts and turn away from others, feeling sort of in the middle and neutral about the source as a whole.
== Related Terms ==
Source-detach is the process that introjects disconnect from their source, and source-detached is used to describe introjects that are fully disconnected.
== Gallery ==
File:Midfortive Pride Flag 1.png|Midfortive pride flag by "Ice"
File:Midfortive Pride Flag 2.png|Midfortive pride flag without orbs by "Ice"
== References ==
Category:Headmate Terms That Relate To Attributes
Midtrotive

A midtrotive is a system member who is based on or around a source. The source can be both fictional and non-fictional, and it can come from both within or outside of the system.
The term is a mix of introject and -tive, both terms which have been used to describe sourced members. The prefix mid- means middle, as it is meant to be a bridge between the terms.
== History ==
The term was an idea from the coiner after a bit of a disagreement over the use of the terms introject and introtive, mostly about which should be used.
Category:Headmate Terms That Relate To Relationships
Milleject

A milleject, also called a millecorporum, is used to describe a headmate with many sources and who seemingly absorbs fragments and their sources. The member may or may not have varying levels of attachment to the sources they have. 
==History==
Mille is taken from the latin word for thousand. Corporum is taken from the latin word for bodies. Literally translated, millecorporum means a thousand bodies.
==Related Terms==
An admirer similarly absorbs fragments and adopts some of their qualities, though this does not have to be connected to sources. 
Category:Headmate Terms That Relate To Attributes
Category:Headmate Terms That Relate To Relationships
Millifrag

A millifrag is a fragment that is a thousandth of a headmate compared to what a fully formed headmate in their system is. Could also mean a fragment that would need 999 other fragments (to make 1000/1000) to form a full headmate.
== Related Terms ==
Centifrag and decifrag are similar terms.
Category:Headmate Terms That Relate To Attributes
Category:Headmate Elaboration
Mimic

A mimic is a system member who can only appear as other members of either their system or another system. 
They are not an introject because they only appear as the person due to not having a visual or physical form of their own, or due to a similar effect as singletsona. 
They are not the person they are appearing as and are aware of themselves not being that person. They can look like anyone apart of their own or another system. 
== Related Terms ==
A mimic is similar to a shapeshifter and an interra.
Mimic is sometimes also used as a synonym to substitute.https://systemtermalog.carrd.co/#sectionm
A mimic-space is similar to a mimic, as it refers to a sentient headspace who changes the way it appears to imitate another headspace that exists or has existed. 
==References==
Category:Headmate Terms That Relate To Abilities
Category:Headmate Terms That Relate To Relationships
Mindfront

Mindfront is a term for system members who are "in front", but internally rather than externally, bodily fronting. Many subsystems share a mental form or other inherent connection, and switch between who is most aware within that subsystem without any effect on bodily front. This term is intended for these members and any others that feel that the concept of fronting within the mind / headspace is useful to them; this term is for anyone who needs it.https://www.tumblr.com/moonpool-system/735456184163762177/mindfront-a-term-for-plurals-derivative-of
An example of what this may look like is as follows:A system consists of Host / Current Fronter A and Subsystem B, which has two members. Host / Fronter A is in bodily front, and Subsystem B is in headspace, with Subsystem Member B1 doing things out of bodily front. B1 is mindfronting in their mental form. B1 encounters something their subsystem member enjoys within headspace, so member B2 switches to mindfront and continues headspace activities. Host / Fronter A may or may not be aware of this; mindfronting generally has no inherent connection with bodily front.
== History ==
This term was coined on Tumblr user moonpool-system's blog on November 30, 2023.
==Related Terms==
Mindfront may apply to intraplural or otherwise contained subsystems, which may have a separate sector or subsyspace they inhabit while not mindfronting. 
The most frequent mindfronting member may be a sub-host. 
==References==
Category:Terms specific to sisasystems
Category:Fronting Terms
Category:Switching Terms
Category:Headmate Terms That Relate To Experiences
Mindless

Mindless describes a headmate who allows others within their system to steer and direct their thoughts, actions, and/or sense of reality. How intensely they rely on others to dictate these things may vary, and a mindless headmate may have periods of independence or be fully capable of acting on their own. They may only allow specific system members to direct them, or it may apply to the entire system. 
Mindless headmates may also be followers, punching bags, or dehumanization holders. If they are directed to complete tasks for the system, they may also be taskdoers or assidumates.
This term should only be used with good intent, and with consent of whomever it is assigned to.
Category:Headmate Terms
Category:Headmate Terms That Relate To Experiences
Mind Middleware

Mind middleware is an abstract concept used to describe a collection of instincts, scripts, and specific reusable thought processes. They work between the body and the conscious, providing simple interfaces that hide the underlying details.
Typically, systems that use this concept do so as part of a larger management system and build control panels for the thinking middleware and connect other modules (such as memory vaults, confuser and enforcer). These modules can be seen as a microservice.
== Related Terms ==
Building mind middleware may require self-programming.
Category:Terms that describe communication
Category:Terms Related to RAMCOA
Mind's Eye View

The mind’s eye view is a shared perspective of a headspace that is not tied to any specific member. Headmates who have not or are unable to enter their system's headspace may still be able to view or interact with it through the "mind's eye". Not all headmates may be capable of using this function. 
Singlets with headspace may also be able to use a mind's eye to access their innerworld without leaving their body.
Category:Headspace Processes and Concepts
Category:Not Plural Exclusive
Minecraftgenic

Minecraftgenic is a xeno-origin for systems, sisasystems and headmates related to the game Minecraft.
== Gallery ==
File:MCgenicByClusterBrains.PNG| Symboless
File:MCgenicByClusterBrains Symbol.PNG| With Plural Symbol
File:MCgenicByClusterBrains Median.PNG| With Median Symbol
 
== References ==
Category:Origin Terms
Category:Xeno-Origin Terms
Minecraftxenorole

Minecraftxenorole is a xenorole where a headmate's role is best described by, or is somehow related to, Minecraft.
== History ==
The term was coined by Pluralpedia user Wrmsys on voids Tumblr on August 20th, 2023.https://www.tumblr.com/clouded--stars/726190189072056320/coining-post-for-a-lot-of-xenoroles-eepyxenorole
== References ==
Category:Xenoroles
Category:System Roles