12-letter words containing a, c, h, i, s
- archipelagos — Plural form of archipelago.
- archive site — (networking) (Or "FTP site", "FTP archive") An Internet host where program source, documents, e-mail or news messages are stored for public access via anonymous FTP, Gopher, web or other document distribution system. There may be several archive sites (mirrors) for, e.g., a Usenet newsgroup though one may be recognised as the main one. FTP servers were common on the Internet for about ten years but have been largely replaced by web servers since the invention of the World-Wide Web and its HTTP protocol. Some well-known archive sites included Imperial College, UK, UUNET, USA, GNU archive site. The archie service attempted to index the contents of FTP archives, foreshadowing the indexing of the web by Google and others.
- archosaurian — belonging to or characteristic of the archosaurs
- arctophilist — a collector of teddy bears
- aristolochia — any of various plants of the genus Aristolochia of the family Aristolochiaceae
- aristophanic — 448?–385? b.c, Athenian comic dramatist.
- arming chest — a chest for holding armor and weapons.
- arthroscopic — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- astrophysics — Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space.
- asynchronies — a lack of synchronism or coincidence in time.
- asynchronism — a lack of synchronism; occurrence at different times
- athrocytosis — the capability of a cell to receive and store matter
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- autotheistic — Self-worshiping; prideful in the extreme.
- axiom schema — (logic) A formula in the language of an axiomatic system, containing one or more. These metasyntactic variables (or "schematic variables") that stand for terms or subformulae. An example is the Axiom of Comprehension.
- bachelorship — the state of being a bachelor; bachelorhood
- backslashing — Present participle of backslash.
- backstitches — Plural form of backstitch.
- basic weight — basis weight.
- basket chair — a chair made of wickerwork; a wicker chair
- beaumarchais — Pierre Augustin Caron de (pjɛr oɡystɛ̃ karɔ̃ də). 1732–99, French dramatist, noted for his comedies The Barber of Seville (1775) and The Marriage of Figaro (1784)
- biomechanics — the study of the mechanics of the movement of living organisms
- bishop's-cap — any of a genus (Mitella) of small woodland plants of the saxifrage family, with two-lobed seedcases shaped like a bishop's hat
- blue catfish — a large freshwater catfish, Ictalurus furcatus, that is a popular food fish in the states of the Mississippi River valley.
- braunschweig — Brunswick
- buccaneerish — of or relating to a buccaneer
- bushwhacking — to make one's way through woods by cutting at undergrowth, branches, etc.
- cable stitch — a pattern or series of knitting stitches producing a design like a twisted rope
- cable-stitch — a series of stitches used in knitting to produce a cable effect.
- cacophonious — cacophonous
- calisthenics — Calisthenics are simple exercises that you can do to keep fit and healthy.
- callisthenes — c360–327 b.c, Greek philosopher: chronicled Alexander the Great's conquests.
- callisthenic — Alternative spelling of calisthenic.
- camel's hair — the hair of the camel
- camel's-hair — made of camel's hair.
- campshedding — to line (the bank of a river) with campshot.
- candlefishes — Plural form of candlefish.
- canvas chair — a chair in which the seat and back are made from canvas
- capital ship — one of the largest and most heavily armed ships in a naval fleet
- cardinalfish — any of the perchlike fishes of the family Apogonidae, many species of which are bright red with black markings.
- cardinalship — The office (or term of office) of a cardinal.
- cardiographs — Plural form of cardiograph.
- cartoonishly — in a cartoonish manner
- case history — A person's case history is the record of past events or problems that have affected them, especially their medical history.
- cash deficit — the excess of cash disbursements over cash receipts in any given fiscal period
- cash in hand — a payment made directly in cash, rather than through a bank
- cash machine — ATM1
- cash receipt — A cash receipt is a proof of purchase issued when the buyer has paid in cash.