13-letter words containing u, t, r, a
- ideal mixture — An ideal mixture is a mixture in which the concentration of any part taken from it is the same as the average for the whole.
- illocutionary — pertaining to a linguistic act performed by a speaker in producing an utterance, as suggesting, warning, promising, or requesting.
- illustratable — Capable of being illustrated.
- illustrations — Plural form of illustration.
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- imperturbable — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- imperturbably — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- importunately — urgent or persistent in solicitation, sometimes annoyingly so.
- in particular — of or relating to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than general: one's particular interests in books.
- inarticulated — Not articulated; not connected by a joint.
- inaugurations — Plural form of inauguration.
- inclinatorium — an instrument invented by Robert Norman in 1576, used to determine the degree to which a magnetic needle dips towards the earth; a dipping needle
- inconstruable — unable to be construed
- incorruptable — Misspelling of incorruptible.
- incouragement — Archaic form of encouragement.
- inculturation — enculturation.
- india drugget — drugget (def 1).
- indian turnip — the jack-in-the-pulpit.
- indisturbance — Freedom from disturbance; calmness; repose.
- industrialise — Non-Oxford British standard spelling of industrialize.
- industrialism — an economic organization of society built largely on mechanized industry rather than agriculture, craftsmanship, or commerce.
- industrialist — a person who owns or is involved in the management of an industrial enterprise.
- industrialize — to introduce industry into (an area) on a large scale.
- inequilateral — not equilateral; having unequal sides.
- infuriatingly — causing or tending to cause anger or outrage; maddening: His delay is infuriating.
- ingurgitating — Present participle of ingurgitate.
- ingurgitation — The act of swallowing greedily or immoderately; that which is so swallowed.
- injured party — victim
- inner sanctum — sanctum (def 2).
- inquire after — to seek information by questioning; ask: to inquire about a person.
- inquiry agent — a private detective
- inquisitorial — of or relating to an inquisitor or inquisition.
- instructional — the act or practice of instructing or teaching; education.
- instrumentals — Plural form of instrumental.
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- insupportably — In an insupportable manner.
- insusurration — (obsolete) The act of whispering into something.
- integumentary — of, relating to, or like an integument.
- inter-assured — to make (a future event) sure; ensure: This contract assures the company's profit this month.
- intercellular — situated between or among cells.
- intercommunal — used or shared in common by everyone in a group: a communal jug of wine.
- intercultural — pertaining to or taking place between two or more cultures: intercultural exchanges in music and art.
- intergranular — located or occurring between granules or grains: intergranular corrosion.
- interjaculate — (transitive) To ejaculate (a remark, etc.) parenthetically.
- interlanguage — a language created or used for international communication.
- interlunation — the interlunar period.
- intermountain — located between mountains or mountain ranges: an intermontane lake.
- intermuscular — of or relating to muscle or the muscles: muscular strain.
- interneuronal — (neurology) Between neurons.