10-letter words containing r, o, s
- attoparsec — (unit, humour) About 31 mm (one inch). "atto-" is the standard SI prefix for multiplication by 10^-18. A parsec (parallax-second) is 3.26 light-years; an attoparsec is thus 3.26 * 10^-18 light years. Thus, one attoparsec per microfortnight is about one inch per second. This unit is reported to be in use (though probably not very seriously) among hackers in the UK.
- attractors — Plural form of attractor.
- audiograms — Plural form of audiogram.
- auriferous — (of rock) containing gold; gold-bearing
- auriscopes — Plural form of auriscope.
- ausforming — a treatment to strengthen hard steels, prior to quenching, in which the specimen is plastically deformed while it is in the austenite temperature range
- australoid — denoting, relating to, or belonging to a supposed racial group that includes the native Australians and certain other peoples of southern Asia and the Pacific islands.
- australorp — a heavy black breed of domestic fowl
- authorised — Alternative spelling of authorized.
- authorises — Third-person singular simple present indicative form of authorise.
- authorizes — Third-person singular simple present indicative form of authorize.
- authorless — having no author; anonymous
- authorship — The authorship of a piece of writing is the identity of the person who wrote it.
- autografts — Plural form of autograft.
- autographs — Plural form of autograph.
- automakers — Plural form of automaker.
- autoroutes — Plural form of autoroute.
- autostrada — an Italian motorway
- autotrophs — Plural form of autotroph.
- auxospores — Plural form of auxospore.
- auxotrophs — Plural form of auxotroph.
- avaricious — An avaricious person is very greedy for money or possessions.
- aversation — (obsolete) A turning from with dislike; aversion.
- avigator's — aerial navigation.
- ayers rock — a conspicuous red monadnock in central Australia, in the SW Northern Territory: tourist attraction. 1143 feet (348 meters) high.
- azeotropes — Plural form of azeotrope.
- azygospore — a thick-walled spore produced by parthenogenesis in certain algae and fungi
- bachelor's — a person who has been awarded a bachelor's degree.
- back score — a line at each end of the rink parallel to and equidistant from the foot score and the sweeping score.
- back story — background information provided, often in narrative form, to give help in understanding something, as the behavior of a character in a film
- backboards — Plural form of backboard.
- backcourts — Plural form of backcourt.
- backronyms — Plural form of backronym.
- backstroke — Backstroke is a swimming stroke that you do lying on your back.
- backswords — Plural form of backsword.
- banderoles — Plural form of banderole.
- bandoleers — Plural form of bandoleer.
- bandoleros — Plural form of bandolero.
- bandoliers — Plural form of bandolier.
- baragnosis — loss of the ability to estimate or perceive the weight of an object.
- barbarious — (dated, before 20th century, now literary) barbarous, barbaric.
- barbarossa — the nickname of the Holy Roman Emperor Frederick I
- barbershop — Barbershop is a style of singing where a small group of people, usually men, sing in close harmony and without any musical instruments accompanying them.
- barcaroles — Plural form of barcarole.
- bardacious — bodacious.
- bare bones — The bare bones of something are its most basic parts or details.
- bargainous — (informal) cheap (characteristic of a bargain).
- bargepoles — Plural form of bargepole.
- bargestone — any of several stones forming the sloping edge of a gable.
- barnardo's — a charity, founded by Thomas John Barnardo, that supports vulnerable children and young people