metalaw
A proposed set of legal rules regulating relationships between different races in the universe.

metaldehyde
A cyclic tetramer of acetaldehyde, commonly used as a molluscicide.

metallocarbene
A complex containing a metal ion M replacing one or both substituents at the divalent carbon atom of a carbene: (L)M–C–R

metallocarbenes
plural of metallocarbene

metallocarborane
An organometallic derivative of a carborane

metallocarboranes
plural of metallocarborane

metallole
Any of various cyclopentadiene derivatives in which the carbon atom at position 5, the saturated carbon, is replaced by a heteroatom.

metalloles
plural of metallole

metamedia
The new relationships between form and content that arise from the development of new media and technologies.

metamour
In a polyamorous relationship: one's partner's partner, with whom one is not directly involved.

metamours
plural of metamour

metarelation
A relationship (or similar interaction) between relationships

metarelations
plural of metarelation

metcon
Initialism of metabolic conditioning (“a form of training focused on the stimulation of metabolic pathways that produce energy”).

metcons
plural of metcon

meteotsunami
A tsunami-like wave of meteorological origin.

meteotsunamis
plural of meteotsunami

metewands
plural of metewand

methaemoglobin
Alternative spelling of methemoglobin.

methanide
A carbide that decomposes in water to produce methane.

methanides
plural of methanide

methanium
the carbocation, CH₅⁺, derived by the hydrogenation of methane

methazolamide
A carbonic anhydrase inhibitor.

methemoglobin
An oxidized form of hemoglobin, containing ferric rather than ferrous iron, that cannot transport oxygen.

methemoglobins
plural of methemoglobin

methiocarb
A carcinogenic neurotoxin used as an insecticide and bird repellent.

methocarbamol
A central muscle relaxant, the carbamate of guaifenesin, used to treat skeletal muscle spasms.

methomyl
A carbamate insecticide with high toxicity to humans.

methoxyfenozide
The carbohydrazide insecticide N'-(tert-butyl )-N'-(3,5-dimethylbenzoyl)-3-methoxy-2-methylbenzohydrazide

methylium
The carbenium ion CH₃⁺

methylnitronitrosoguanidine
A biochemical substance used experimentally as a carcinogen and mutagen. It acts by adding alkyl groups to the O⁶ of guanine and O⁴ of thymine.

metro
A rapid transit rail transport system, or a train in such systems, generally underground and serving a metropolitan area.
An urban rapid transit rail transport system, normally with lighter track and light trains (i.e. an S-Bahn or similar), or a train in such systems.

metronymy
kinship and naming that follows the female line

metropolitanships
plural of metropolitanship

metros
plural of metro

mets
Clipping of metastases.

metwands
plural of metwand

microanalyses
plural of microanalysis

microanalysis
small-scale analysis
The analysis (and subsequent identification) of very small quantities of material.
the analysis of individual or community social activity e.g. family relationships.
the analysis of individual or community social activity e.g. family relationships.

microbiont
A microorganism that has a close relationship with a host

microbionts
plural of microbiont

microcarnivore
A carnivore that eats very small animals (typically insect larva)

microcarnivores
plural of microcarnivore

microconsortia
plural of microconsortium

microconsortium
A microbial consortium

microcontroller
A microcomputer on a single chip, used to control some device such as an automobile engine or a toy.

microcontrollers
plural of microcontroller

microcycle
A short period of sports training, typically a week.

microcycles
plural of microcycle

microcycling
The recycling of plastic by means of microwaves
sports training using microcycles

microdrone
A very small drone aircraft.

microdrones
plural of microdrone

microentrepreneurship
small-scale entrepreneurship; the running of a microenterprise

microentrepreneurships
plural of microentrepreneurship

microflyer
An extremely small aircraft that is typically used for surveillance.

microflyers
plural of microflyer

microgratings
plural of micrograting

microhabitat
A specific habitat, typically extremely small, such as a cave corner or a cardboard box.

microhabitats
plural of microhabitat

microheterogeneities
plural of microheterogeneity

microheterogeneity
The occurrence of different forms of a carbohydrate in a specific glycoprotein

microhybrid
A motor vehicle whose internal combustion engine is automatically shut down and restarted to reduce time spent idling and thereby reduce fuel consumption and emissions.

microhybrids
plural of microhybrid

microlight
An ultralight aircraft.
The smallest manned aircraft classification, composed of ultralights and verylights; smaller than light aircraft.
A very small light.

microlights
plural of microlight

micromobility
Transportation over short distances, provided by lightweight (usually single-person) vehicles.

micronovae
plural of micronova

micronovas
plural of micronova

microplacentome
The placentome of microtissue

microplacentomes
plural of microplacentome

microregion
An administrative area in Brazil consisting of groups of municipalities bordering urban areas

microspacecraft
A small spacecraft, typically weighing 10 kilograms or less.

microstrain
A strain expressed in terms of parts per million
The root mean square of the variations in the lattice parameters across the individual crystallites, usually across microscopic distances, <ϵ²>^(1/2). By definition, it cannot be negative. In contrast, macrostrain refers to the overall change in the lattice parameters caused by a composition change or temperature change or pressure change.

microstrainer
A strainer that can remove very small particles

microstrainers
plural of microstrainer

microstrains
plural of microstrain

microtransit
Privately-operated services providing an alternative to public transport, somewhat more tailored to the individual passenger (but not to the extent of a private taxicab); for example, passengers might be expected to join the vehicle at certain computer-generated pick-up points based on desired routes.

microvacation
A very brief vacation; a momentary respite from the cares of everyday life.

microvacations
plural of microvacation

midcard
The part of a wrestling show in the middle of the card (programme or schedule). It is less prestigious than the uppercard and more so than the lowcard

midcards
plural of midcard

middlemast
The mast between the mainmast and mizzenmast on a ship having five or more masts.

middlemasts
plural of middlemast

midship
Pertaining to the middle of a ship or boat.

midshipmen
plural of midshipman

midshipmite
A little or petty midshipman.

midshipmites
plural of midshipmite

midshippeople
plural of midshipperson

midshipperson
A male or female midshipman.

midshippersons
plural of midshipperson

midshipwoman
A female midshipman.

midshipwomen
plural of midshipwoman

midsize
Alternative form of mid-size.

midsizes
plural of midsize

midweek
The middle of the week.
Midweek worship service, held by many congregations and in addition to a Sunday morning service.

midweeks
plural of midweek

mig
A milligram

mightyships
plural of mightyship

mikoshi
A raised ceremonial litter used to transport a Shinto deity between shrines.

mikoshis
plural of mikoshi

milblogger
A military service member who writes a blog.
A blogger, usually one with a close relationship to armed forces, who blogs, often from the front lines, about an ongoing war.

milbloggers
plural of milblogger

milepole
Synonym of milepost.

milepoles
plural of milepole

milepost
A post on a highway, often with one or more fingerposts, showing the distance in miles to nearby places.
A sign or post beside a railway marking the distance from the (actual or nominal) start of a line (usually the principal terminus or junction with a more major line).

mileposts
plural of milepost