10-letter words containing o, s, u
- autosexing — the breeding of birds to reveal specific sexual characteristics
- autostrada — an Italian motorway
- autotheism — the doctrine of God's self-existence and subsistence
- autotheist — a person who worships himself or herself
- autotomise — Alt form autotomize.
- autotomous — separating body parts in order to escape danger
- autotoxins — Plural form of autotoxin.
- 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.
- avenaceous — belonging to or of the nature of oats or oat grasses
- baby bonus — family allowance
- back focus — the distance between the back surface of a lens and the focal plane when the lens is focused at infinity.
- backcourts — Plural form of backcourt.
- bakehouses — Plural form of bakehouse.
- barbarious — (dated, before 20th century, now literary) barbarous, barbaric.
- bardacious — bodacious.
- bargainous — (informal) cheap (characteristic of a bargain).
- barosaurus — Any of the genus Barosaurus of long-tailed, long-necked, herbivorous dinosaurs.
- barratrous — (legal) Tainted with, or constituting, barratry.
- basutoland — Lesotho
- bathhouses — Plural form of bathhouse.
- battailous — ready for battle; pugnacious
- bawdyhouse — a house of prostitution
- be used to — If you are used to something, you are familiar with it because you have done it or experienced it many times before.
- beaujolais — Beaujolais is a type of red wine that comes from the region of eastern France called Beaujolais.
- because of — If an event or situation occurs because of something, that thing is the reason or cause.
- behaviours — manner of behaving or acting.
- belorussia — historical region in central Europe corresponding to present-day Belarus
- beltcourse — a horizontal band or course, as of stone, projecting beyond or flush with the face of a building, often molded and sometimes richly carved.
- berlusconi — Silvio (ˈsilvjo). born 1936, Italian politician and media tycoon: prime minister of Italy (1994–95, 2001–06, 2008–11); convicted of tax fraud and expelled from the Italian Senate in 2013
- bi-curious — considering experimenting with bisexuality
- binoculars — Binoculars consist of two small telescopes joined together side by side, which you look through in order to look at things that are a long way away.
- biosurgery — the use of live sterile maggots to treat patients with infected wounds
- bipetalous — having two petals
- bird louse — any of an order (Mallophaga) of small, wingless insects with biting mouthparts, that live as external parasites on birds
- bismuthous — of or containing bismuth in the trivalent state
- bitou bush — type of sprawling woody shrub
- bituminous — of the nature of bitumen, esp. with regard to its color and combustibility
- blockhouse — (formerly) a wooden fortification with ports or loopholes for defensive fire, observation, etc
- blood lust — If you say that someone is driven by a blood lust, you mean that they are acting in an extremely violent way because their emotions have been aroused by the events around them.
- bloomsburg — a city in E central Pennsylvania.
- bloomsbury — a district of central London in the borough of Camden: contains the British Museum, part of the University of London, and many publishers' offices
- blottesque — (of a painting) crudely executed, often characterized by blots and smears
- blue cross — a nonprofit health insurance organization offering hospitalization and medical benefits to subscribers, esp. to groups of employees and their families
- blue goose — a variety of the snow goose that has a bluish-grey body and white head and neck
- blue lotus — either of two Egyptian water lilies of the genus Nymphaea, as N. caerulea (blue lotus) having light blue flowers, or N. lotus (white lotus) having white flowers.
- blues-rock — a blend of rock-'n'-roll and blues.
- blusterous — to roar and be tumultuous, as wind.