10-letter words containing s, i, o, u
- ascigerous — of or relating to asci.
- ascogonium — a female reproductive body in some ascomycetous fungi in which, after fertilization, the asci develop
- assumption — If you make an assumption that something is true or will happen, you accept that it is true or will happen, often without any real proof.
- astounding — If something is astounding, you are shocked or amazed that it could exist or happen.
- audio disc — an act of recording.
- audiobooks — Plural form of audiobook.
- audiograms — Plural form of audiogram.
- audiotapes — Plural form of audiotape.
- 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
- auspicious — Something that is auspicious indicates that success is likely.
- 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.
- 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.
- authorship — The authorship of a piece of writing is the identity of the person who wrote it.
- autodigest — To carry out autodigestion.
- autoecious — (of parasites, esp the rust fungi) completing the entire life cycle on a single species of host
- autognosis — Self-knowledge; the understanding of one's character and peculiarities.
- autolysins — Plural form of autolysin.
- automatics — Plural form of automatic.
- automatism — the state or quality of being automatic; mechanical or involuntary action
- automatist — the action or condition of being automatic; mechanical or involuntary action.
- autonoesis — The neurocognitive ability to experience time as a series of subjective episodes.
- autonomics — the study of self-regulating systems for process control
- autonomism — the belief in or a movement toward autonomy.
- autonomist — a person desiring or advocating autonomy
- autopilots — Plural form of autopilot.
- autopsying — Present participle of autopsy.
- autoscopic — of or relating to an out-of-body experience
- autosexing — the breeding of birds to reveal specific sexual characteristics
- autotheism — the doctrine of God's self-existence and subsistence
- autotheist — a person who worships himself or herself
- autotomise — Alt form autotomize.
- autotoxins — Plural form of autotoxin.
- avaricious — An avaricious person is very greedy for money or possessions.
- barbarious — (dated, before 20th century, now literary) barbarous, barbaric.
- bardacious — bodacious.
- bargainous — (informal) cheap (characteristic of a bargain).
- battailous — ready for battle; pugnacious
- beaujolais — Beaujolais is a type of red wine that comes from the region of eastern France called Beaujolais.
- behaviours — manner of behaving or acting.
- belorussia — historical region in central Europe corresponding to present-day Belarus
- 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