10-letter words containing r, u
- araucarian — related to or belonging to the genus Araucaria
- arboresque — a tree.
- arboretums — Plural form of arboretum.
- arbuscular — relating to, or similar to, arbuscles
- arbutamine — Lb pharmaceutical drug A cardiac stimulant drug.
- arcesilaus — 316–241 b.c, Greek philosopher.
- archemorus — Opheltes.
- archosaurs — Plural form of archosaur.
- arcosolium — (in Roman catacombs) an arched recess for a sarcophagus.
- arcubalist — an arbalest
- area study — anthropological or sociological research intended to gather and relate data on various aspects of a geographical region and its inhabitants, as natural resources, history, language, institutions, or cultural and economic characteristics; a field investigation into human ecology.
- areligious — unconcerned with or indifferent to religious matters.
- arenaceous — (of sedimentary rocks and deposits) composed of sand or sandstone
- arenavirus — any of various RNA-containing viruses of the family Arenaviridae, usually transmitted to humans by contact with excreta of infected rodents.
- argenteous — silvery.
- argenteuil — a suburb of Paris, France, with a convent (656) that became famous when Héloïse was abbess (12th century). Pop: 103 250 (2008)
- argumental — That is based on arguments. Pertaining to arguments.
- argumentum — an argument
- argus-eyed — keen-sighted; observant; vigilant
- arguteness — acuteness of mind
- ariovistus — flourished c71–58 b.c, Germanic leader of the Suevi.
- aristippus — ?435–?356 bc, Greek philosopher, who believed pleasure to be the highest good and founded the Cyrenaic school
- armigerous — of, having, or entitled to have a coat of arms
- armourless — having no armour
- army group — the largest operational formation of military land forces, normally comprising two or more armies or army corps under a designated commander.
- army-issue — given to soldiers in order to help them carry out their duties
- arquebuses — Plural form of arquebuse.
- arrow arum — a North American plant, Peltandra virginica, of wet areas, having large, arrow-shaped leaves and inconspicuous flowers enclosed in a narrow, pointed spathe.
- arse about — to play the fool; act stupidly, esp in an irritating manner
- art runner — an art dealer who acts as a broker by introducing prospective buyers and sellers.
- artesunate — (medicine) A drug, of the artemisinin group, used to treat malaria.
- artfulness — slyly crafty or cunning; deceitful; tricky: artful schemes.
- articulacy — uttered clearly in distinct syllables.
- articulary — (anatomy) A bone in the base of the lower jaw of many birds, reptiles, amphibians, and fishes.
- articulate — If you describe someone as articulate, you mean that they are able to express their thoughts and ideas easily and well.
- artocarpus — a genus of the mulberry family, originating in Asia, species of which include the jackfruit and the breadfruit
- aryl group — any organic group derived from an aromatic hydrocarbon by the removal of a hydrogen atom, as phenyl, C 6 H 5 −, from benzene, C 6 H 6 .
- ascigerous — of or relating to asci.
- ask around — If you ask around or ask round, you ask several people a question.
- assaulters — Plural form of assaulter.
- assurances — Plural form of assurance.
- assuringly — In an assuring manner.
- astragalus — the talus, or anklebone, in humans
- astronauts — Plural form of astronaut.
- at leisure — having free time for ease, relaxation, etc
- athleisure — the wearing of sports clothes as leisurewear
- atracurium — a drug used to relax muscles
- atraumatic — (of a medical or surgical procedure) causing minimal tissue injury.
- attainture — attainder
- attenuator — any device designed to reduce the power of a wave or electrical signal without distorting it