12-letter words containing u, r, i
- amateurishly — In an amateurish or nonprofessional manner.
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- ambisextrous — Informal. sexually attracted to both sexes; bisexual. used by or suitable for either sex; unisex: ambisextrous hair styles.
- ambulatories — Plural form of ambulatory.
- ambulatorily — By or in terms of walking.
- amentiferous — bearing aments
- aminobutyric — (organic chemistry) Of or pertaining to any of several isomeric univalent radicals in which a hydrogen atom of a butyric radical is replaced by an amino group.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphiregulin — (protein) A particular autocrine growth factor.
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- androclinium — clinandrium.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- angiocarpous — being or having fruit contained in a vessel such as a shell
- angra mainyu — the evil spirit who contends against Spenta Mainyu.
- anguilliform — having the shape or form of an eel
- angularities — Plural form of angularity.
- annuity rate — An annuity rate is used to calculate the amount of income that will be paid, following investment of a lump sum in an annuity.
- annunciators — Plural form of annunciator.
- annunciatory — to announce.
- antebrachium — (anatomy) The forearm.
- anti-leaguer — a person who opposed the League of Nations or U.S. participation in it.
- anti-nuclear — opposed to military and industrial applications of nuclear energy and to technologies which produce radioactive waste products
- anti-tumoral — a swollen part; swelling; protuberance.
- antibarbarus — a list of words and sayings to be avoided in the classical usage of a language
- antibrachium — (anatomy) alternative spelling of antebrachium.
- antiburglary — intended to prevent burglary
- anticonsumer — opposed to consumerism
- anticultural — against culture or civilization
- antidandruff — preventing or treating dandruff
- antideuteron — the antimatter counterpart to the deuteron.
- antidiuretic — (of a hormone, treatment, etc) acting on the kidneys to control water excretion
- antineuritic — inflammation of a nerve.
- antineutrino — the antiparticle of a neutrino; a particle having oppositely directed spin to a neutrino, that is, spin in the direction of its momentum
- antineutrons — Plural form of antineutron.
- antinutrient — a substance that interferes with the utilization of one or more nutrients by the body, as oxalate and phytate, which prevent calcium absorption.
- antipleasure — opposed to pleasure
- antipruritic — acting against or preventing itching
- antiquarians — Plural form of antiquarian.
- antirrhinums — Plural form of antirrhinum.
- antitumoural — acting against or upon tumours
- apiculturist — beekeeping, especially on a commercial scale for the sale of honey.
- appendicular — relating to an appendage or appendicle
- appoggiatura — an ornament consisting of a nonharmonic note (short or long) preceding a harmonic one either before or on the stress
- appressorium — a flattened hypha of a parasitic fungus that penetrates the host tissues
- arabian gulf — an arm of the Arabian Sea, between SW Iran and Arabia. 600 miles (965 km) long.
- arbitrageurs — Plural form of arbitrageur.
- archesporium — archespore.
- archipallium — (anatomy) The oldest region of the brain's pallium, often considered contiguous with the olfactory cortex, but varying among species. In humans, the archipallium makes up the hippocampus.
- architecture — Architecture is the art of planning, designing, and constructing buildings.