8-letter words containing r, u
- 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
- aperture — An aperture is a narrow hole or gap.
- aplustre — the ornamental stern on an ancient Greek or Roman ship
- apronful — the quantity that can be held in an apron
- apsyrtus — a son of Aeëtes, killed by his sister Medea, who, while fleeing with Jason, threw pieces of her brother's body into the sea so that her father, in pursuing her, might be delayed while picking them up.
- apterium — a bare patch on the skin of a bird between the feathered pterylae
- apterous — (of insects) without wings, as silverfish and springtails
- apurimac — a river in S Peru, rising in the Andes and flowing northwest into the Urubamba River. Length: about 885 km (550 miles)
- apurpose — (dialect) on purpose; deliberately.
- aquafarm — to cultivate fish or shellfish under controlled conditions
- aquapark — A water park.
- aquarial — related to an aquarium
- aquarian — a person who keeps an aquarium
- aquarids — either of two collections of meteors comprising meteor showers having their apparent origin in the constellation Aquarius and visible either in early May (Eta Aquarids) or late July (Delta Aquarids)
- aquarist — the curator of an aquarium
- aquarium — An aquarium is a building, often in a zoo, where fish and underwater animals are kept.
- aquarius — Aquarius is one of the twelve signs of the zodiac. Its symbol is a person pouring water. People who are born approximately between 20th January and 18th February come under this sign.
- aquifers — Plural form of aquifer.
- aquiform — Resembling water; watery, liquid.
- aquitard — A semipermeable layer along an aquifer.
- araceous — belonging to the plant family Araceae.
- araguaia — a river in central Brazil, rising in S central Mato Grosso state and flowing north to the Tocantins River. Length: over 1771 km (1100 miles)
- araguari — a city in central Brazil.
- araguaya — a river in S central Brazil, flowing N to the Tocantins River. 1600 miles (2575 km) long.
- aramburu — Pedro Eugenio [pe-th raw e-oo-he-nyaw] /ˈpɛ ðrɔ ˌɛ uˈhɛ nyɔ/ (Show IPA), 1903–70, president of Argentina 1955–58.
- araneous — resembling a spider's web
- araucana — any of numerous varieties of domestic chickens derived from South American wild fowl, noted for producing pale blue, green, or pinkish eggs.
- arborous — relating to, or formed by, trees
- arboured — situated in, or as if in, an arbour
- arbuscle — a small tree, or a plant halfway between a shrub and a tree
- arbutean — relating to arbutus, or made from arbutus wood
- arcature — a small-scale arcade
- arcesius — a son of Zeus and Euryodia, father of Laertes, and grandfather of Odysseus.
- archduke — a chief duke, esp (since 1453) a prince of the Austrian imperial dynasty
- archlute — a long, large bass lute
- arcturus — the brightest star in the constellation Boötes: a red giant. Visual magnitude: –0.4; spectral type: K2III; distance: 37 light years
- arcuated — Alternative form of arcuate.
- area rug — An area rug is a rug that covers only part of a floor.
- arequipa — a city in S Peru, at an altitude of 2250 m (7500 ft): founded in 1540 on the site of an Inca city. Pop: 791 000 (2005 est)
- arethusa — a North American orchid, Arethusa bulbosa, having one long narrow leaf and one rose-purple flower fringed with yellow