intrusion
The forcible inclusion or entry of an external group or individual; the act of intruding.
Magma forced into other rock formations; the rock formed when such magma solidifies.
A structure that lies within a historic district but is nonhistoric and irrelevant to the district.
The insertion of a phoneme into the pronunciation of a word despite its absence from the spelling. (e.g. intrusive r)
An involuntarily arising idea or memory that is nuisant and falsifies an accurate impression of the world.

intrusions
plural of intrusion

intrusiveness
The quality of being intrusive.

intuition
Immediate cognition without the use of conscious rational processes.
A perceptive insight gained by the use of this faculty.

intuitionalism
The doctrine that the perception or recognition of primary truth is intuitive, or direct and immediate.

intuitionism
An approach to mathematics/logic which avoids proof by contradiction, and which requires that, in order to prove that something exists, one must construct it.

intuitionisms
plural of intuitionism

intuitions
plural of intuition

intuitiveness
The state of being intuitive.

intuitivism
The doctrine that the ideas of right and wrong are intuitive.

intuitivity
The state of being intuitive.

intumescence
The process of swelling up or the condition of being swollen.
An instance of such swelling.

intumescences
plural of intumescence

intuses
plural of intuse

intussusceptum
The part that prolapses into another during an intussusception.

intussuscipiens
The part that receives the prolapsed part during an intussusception.

intwinement
Archaic form of entwinement.

intwinements
plural of intwinement

inuitisation
Alternative spelling of Inuitization

inuitization
Alternative letter-case form of Inuitization

inukshuit
plural of inukshuk

inukshuk
A structure of piled stones, used as a landmark and traditionally constructed by the Inuit, often resembling a humanoid figure.

inukshuks
plural of inukshuk

inuksuit
plural of inukshuk

inuksuk
Alternative spelling of inukshuk.

inuksuks
plural of inuksuk

inundation
The act of inundating; an overflow; a flood; a rising and spreading of water over grounds.
The state of being inundated; flooding.
An overflowing or superfluous abundance; a flood; a great influx.

inundations
plural of inundation

inurbaneness
The quality of being inurbane; inurbanity.

inurbanities
plural of inurbanity

inurbanity
Lack of urbanity or courtesy; bad manners.

inuredness
The quality of being inured, or accustomed to something by repeated exposure.

inurement
Custom, habituation; normal practice.
Benefit.
In patent law, the doctrine that the work done by a person hired by an inventor to test a conception supports the right of that inventor to the resulting invention.

inurements
plural of inurement

inurnment
The act of placing something in an urn.

inurnments
plural of inurnment

inusitation
Lack of use; disuse.

inustion
The act of burning or branding.

inustions
plural of inustion

inutilities
plural of inutility

inutility
Uselessness.
Unprofitableness.
Something of no use.

inutterability
The state or condition of being inutterable.

inv
Abbreviation of invoice.
Abbreviation of inventory (“items carried by a player”).

invadability
The condition of being invadable

invadosome
Any of several actin-rich adhesion structures including the podosomes and invadopodia

invadosomes
plural of invadosome

invagination
The process where an anatomical part invaginates upon itself or into another structure.
One of the methods by which the various germ layers of the ovum are differentiated.

invaginations
plural of invagination

invalescence
strength; health

invalidation
The act of invalidating, or the state of being invalidated

invalidations
plural of invalidation

invalidhood
The state of being an invalid; invalidism.

invalidism
The condition of an invalid; sickness; infirmity.

invalidisms
plural of invalidism

invalidities
plural of invalidity

invalidity
The state of being invalid; lack of validity.

invalidship
The state of being an invalid.

invaluability
The quality of being invaluable; great or immeasurable value.

invaluableness
invaluability

invariabilities
plural of invariability

invariability
The quality of being invariable

invariance
The property of being invariant.

invariances
plural of invariance

invariancies
plural of invariancy

invariancy
Alternative form of invariance.

invariantism
A philosophy of invariants, holding that knowledge is not context-sensitive.

invasibilities
plural of invasibility

invasibility
The condition of being invasible

invasiveness
The quality of being invasive

invasivities
plural of invasivity

invasivity
The condition of being invasive
The degree to which something is invasive

invasivorism
the act of eating invasive species as a method of population control

invasivorisms
plural of invasivorism

invection
An inveighing against; invective.

invections
plural of invection

invectiveness
The quality of being invective.

inveiglement
The act of inveigling, or the state of being inveigled

inveiglements
plural of inveiglement

invention
Something invented.
The act of inventing.
The capacity to invent.
A small, self-contained composition, particularly those in J.S. Bach’s Two- and Three-part Inventions.
The act of discovering or finding; the act of finding out; discovery.

inventions
plural of invention

inventiveness
The quality of being inventive; the faculty of inventing.

inventivenesses
plural of inventiveness

inventivity
The quality of being inventive.

inventorisation
Alternative form of inventorization.

inventorization
The process of inventorizing.

inventorship
The role of inventor.

inveracities
plural of inveracity

inveracity
A lack of veracity
untruth, falsehood

inverisimilitude
Lack of verisimilitude or likelihood; improbability; unlikelihood

inverisimilitudes
plural of inverisimilitude

inverities
plural of inverity

inverity
Untruth, falsehood.

invermination
helminthiasis

inversibility
Alternative form of invertibility.

inversion
The action of inverting.
The act of being in an inverted state; being upside down, inside out, or in a reverse sequence.
The reversal of an interval; the move of one pitch in an interval up or down an octave.
The position of a chord which has a note other than the root as its bass note.
The flipping of a melody or contrapuntal line so that high notes become low and vice versa; the reversal of a pitch contour.
A segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome.
A situation where air temperature increases with altitude (the ground being colder than the surrounding air).
A section of a roller coaster where passengers are temporarily turned upside down.
Deviation from standard word order, as for example by putting the predicate before the subject. It takes place in questions with auxiliary verbs; in normal, affirmative clauses beginning with a negative particle, for the purpose of emphasis; and in other rhetorical devices or unusual situations.
An operation on a group, analogous to negation.
Homosexuality, particularly in early psychoanalysis.
The catalytic action of invertase.

inversionism
Homosexuality, regarded as sexual inversion.

inversions
plural of inversion

inversus
The inverted part of a composition.

invertability
Alternative form of invertibility.

invertasome
A nucleoprotein complex that causes inversion of a DNA sequence

invertebracy
Quality of being invertebrate.

invertedness
Quality of being inverted.

invertend
That which undergoes inversion.

invertends
plural of invertend

inverter
Something that inverts, or causes inversion.
A power inverter.

inverters
plural of inverter

invertibility
The condition of being invertible.

invertivory
The condition of being invertivorous

invertomer
Either of a pair of confomers that interconvert by inversion at an atom possessing a nonbonding electron pair