9-letter words containing a, c, u, s
- art music — music written by a composer rather than passed on by oral tradition
- ascendeur — a metal grip that is threaded on a rope and can be alternately tightened and slackened as an aid to climbing the rope: used attached to slings for the feet and waist
- asclepius — a god of healing; son of Apollo
- aspectual — of or relating to grammatical aspect
- assay cup — a small wine cup for tasting wine to be offered to another person.
- assurance — If you give someone an assurance that something is true or will happen, you say that it is definitely true or will definitely happen, in order to make them feel less worried.
- astichous — having a structure or layout that is not in rows
- astucious — Subtle; cunning; astute.
- at source — at the point of origin
- atrocious — If you describe something as atrocious, you are emphasizing that its quality is very bad.
- audacious — Someone who is audacious takes risks in order to achieve something.
- audiences — the group of spectators at a public event; listeners or viewers collectively, as in attendance at a theater or concert: The audience was respectful of the speaker's opinion.
- auriculas — Plural form of auricula.
- auriscope — a medical instrument for examining the external ear
- auriscopy — (medicine) Examination of the ear using an auriscope.
- auschwitz — an industrial town in S Poland; site of a Nazi concentration camp during World War II. Pop: 40 686 (2007 est)
- ausgleich — the agreement (1867) that established the Dual Monarchy of Austria-Hungary
- auspicate — to begin or inaugurate with a ceremony intended to bring good fortune
- auspicial — of or relating to auspices: auspicial rites.
- auspicing — (AU) administration of a grant by one group on behalf of another.
- autecious — autoecious
- autistics — Plural form of autistic.
- autocrats — Plural form of autocrat.
- autocross — a form of motor sport in which cars race over a half-mile circuit of rough grass
- autoecism — the development of the entire life cycle of a parasitic fungus on a single host or group of hosts.
- autofocus — a device that focuses a lens, camera, etc. automatically
- autoicous — (of plants, esp mosses) having male and female reproductive organs on the same plant
- autolycus — a crater in the NW quadrant of the moon about 38 km in diameter and 3000 m deep
- autoscope — An optical instrument for examining one's own eye.
- autoscopy — the experience of hallucination in which one sees oneself from outside one's own body
- aux cayes — former name of Les Cayes.
- avascular — (of certain tissues, such as cartilage) lacking blood vessels
- aw shucks — characterized by a shy, embarrassed, often provincial manner.
- aw-shucks — seeming to be modest, self-deprecating, or shy
- awestruck — If someone is awestruck, they are very impressed and amazed by something.
- ayahuasca — a Brazilian plant, Banisteriopsis caapi, that has winged fruits and yields a powerful hallucinogenic alkaloid sometimes used to treat certain disorders of the central nervous system: family Malpighiaceae
- backhouse — an outdoor privy; outhouse
- barbecues — Plural form of barbecue.
- barouches — Plural form of barouche.
- bibacious — tending to drink in excess
- bisulcate — marked by two grooves
- bodacious — If you say that someone or something is bodacious, you mean that they are very good or impressive.
- brushback — a pitch that narrowly misses the batter
- bucharest — the capital of Romania, in the southeast. Pop: 1 764 000 (2005 est)
- buckstays — a beam held by stays to the exterior of a masonry wall, as that of a furnace or boiler, to keep the adjacent areas of the wall from being forced outward.
- bud scale — one of the hard protective sometimes hairy or resinous specialized leaves surrounding the buds of certain plants, such as the rhododendron
- bush coat — a belted, hip-length, shirtlike jacket, usually with four patch pockets and a notched collar, adapted from the hunting coat customarily worn in the African bush.
- bushcraft — ability and experience in matters concerned with living in the bush
- bushwhack — to ambush
- busticate — to break