8-letter words containing u, a, r
- adumbral — shadowy
- advoutry — adultery
- aequorin — a protein obtained from marine organisms that emits blue light in the presence of calcium ions and is used to detect these ions in living tissue
- aerarium — the state treasury in ancient Rome.
- aerobium — an aerobe
- aeroduct — an air duct
- aeronaut — a person who flies in a lighter-than-air craft, esp the pilot or navigator
- aflutter — in or into a nervous or excited state
- aftersun — a moisturizing lotion applied to the skin to soothe sunburn and avoid peeling
- agaricus — any mushroom of the genus Agaricus, comprising the meadow mushrooms and a commercially grown species, A. brunnescens.
- ageratum — any tropical American plant of the genus Ageratum, such as A. houstonianum and A. conyzoides, which have thick clusters of purplish-blue flowers
- air duct — a pipe or channel permitting air to travel through a system, building, or other structure, such as a mine
- air plug — a plug making an airtight seal to a vent.
- air pump — a device for pumping air in or out of something
- airbound — supported by air
- airbrush — An airbrush is an artist's tool which sprays paint onto a surface.
- airburst — the explosion of a bomb, shell, etc, in the air
- akureyri — a city in N Iceland.
- albarium — a stucco used in ancient times, made from powdered marble and lime mortar and often polished.
- alburnum — sapwood
- aleurone — finely granulated protein present in seeds generally and forming the outer layer of cereal seeds
- alitrunk — (zoology) The segment of an insect's body to which the wings are attached; the thorax or mesosoma.
- allosaur — any large carnivorous bipedal dinosaur of the genus Antrodemus (formerly Allosaurus), common in North America in late Jurassic times: suborder Theropoda (theropods)
- alluring — Someone or something that is alluring is very attractive.
- altruism — Altruism is unselfish concern for other people's happiness and welfare.
- altruist — a person unselfishly concerned for or devoted to the welfare of others (opposed to egoist).
- alumroot — any of several North American plants of the saxifragaceous genus Heuchera, having small white, reddish, or green bell-shaped flowers and astringent roots
- amaracus — a genus of herbaceous plant with fragrant flowers
- amateurs — Plural form of amateur.
- amberous — of, relating to or resembling amber
- ambusher — One who ambushes.
- americus — a city in SW central Georgia.
- amesbury — a town in NE Massachusetts.
- amourist — Alternative form of amorist.
- amourous — Alternative form of amorous.
- anapurna — Annapurna
- anestrus — in the breeding cycle of many mammals, the period of sexual inactivity between two periods of estrus
- aneurine — a white, crystalline, water-soluble compound of the vitamin-B complex, containing a thiazole and a pyrimidine group, C 12 H 17 ClN 4 OS, essential for normal functioning of the nervous system, a deficiency of which results chiefly in beriberi and other nerve disorders: occurring in many natural sources, as green peas, liver, and especially the seed coats of cereal grains, the commercial product of which is chiefly synthesized in the form of its chloride (thiamine chloride or thiamine hydrochloride) for therapeutic administration, or in nitrate form (thiamine mononitrate) for enriching flour mixes.
- aneurism — a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall.
- aneurysm — a sac formed by abnormal dilation of the weakened wall of a blood vessel
- angerful — Full of anger, expressing anger.
- anhungry — (obsolete, rare) Hungry.
- annulary — (archaic) Having the form of a ring; annular.
- anourous — anurous.
- anovular — not associated with or accompanied by ovulation
- antidrug — (of a person, group or initiative) discouraging illegal drug use
- antiquer — a person who alters the appearance of objects to give an antique quality
- antirust — (of a product or procedure) effective against rust
- anuresis — inability to urinate even though urine is formed by the kidneys and retained in the urinary bladder
- anuretic — relating to an inability to urinate