10-letter words containing o, a, s, t
- autoplasty — surgical repair of defects by grafting or transplanting tissue from the patient's own body
- autopsying — Present participle of autopsy.
- autoroutes — Plural form of autoroute.
- autoscopic — of or relating to an out-of-body experience
- 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.
- auxotrophs — Plural form of auxotroph.
- aversation — (obsolete) A turning from with dislike; aversion.
- avigator's — aerial navigation.
- avocations — Plural form of avocation.
- axiomatics — the study of axioms
- ayatollahs — Plural form of ayatollah.
- azeotropes — Plural form of azeotrope.
- back story — background information provided, often in narrative form, to give help in understanding something, as the behavior of a character in a film
- backcloths — Plural form of backcloth.
- backcourts — Plural form of backcourt.
- backstroke — Backstroke is a swimming stroke that you do lying on your back.
- balloonist — A balloonist is a person who flies a hot-air balloon.
- ballpoints — Plural form of ballpoint.
- bandicoots — Plural form of bandicoot.
- bargestone — any of several stones forming the sloping edge of a gable.
- barometers — Plural form of barometer.
- baronetess — the wife of a baronet
- baroswitch — a switch actuated by barometric pressure.
- barratrous — (legal) Tainted with, or constituting, barratry.
- basketwork — work that is interlaced or woven like a basket; wickerwork
- bassoonist — A bassoonist is someone who plays the bassoon.
- basutoland — Lesotho
- bath stone — a kind of limestone used as a building material, esp at Bath in England
- bathhouses — Plural form of bathhouse.
- batholiths — Plural form of batholith.
- batologist — someone who practises batology
- battailous — ready for battle; pugnacious
- battalions — Plural form of battalion.
- battlesome — argumentative; quarrelsome.
- beta stock — any of the second rank of active securities on the Stock Exchange, of which there are about 500. Continuous display of prices by market makers is required but not immediate publication of transactions
- betrothals — the act or state of being betrothed; engagement.
- bioclastic — (of deposits, esp limestones) derived from shell fragments or similar organic remains
- bioplastic — plastic suitable for use as a biomaterial.
- biostatics — the branch of biology that deals with the structure of organisms in relation to their function
- bipetalous — having two petals
- birostrate — having two beaks or beak-like projections
- black spot — If you describe a place, time, or part of a situation as a black spot, you mean that it is particularly bad or likely to cause problems.
- blackstone — Sir William. 1723–80, English jurist noted particularly for his Commentaries on the Laws of England (1765–69), which had a profound influence on jurisprudence in the US