15-letter words containing a, m, t
- camelback truss — a roof truss having upper and lower chords curving upward from a common point at each side.
- camelot library — (library)
- camera operator — a person who operates a film or television camera
- campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- canterbury lamb — New Zealand lamb exported chilled or frozen to the United Kingdom
- cantilever beam — a long thick straight-sided piece of wood, metal, concrete, etc that is fixed at one end and is free at the other
- capitulationism — advocacy or approval of capitulation.
- car maintenance — the act of maintaining an automobile
- cardinal system — a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.
- carmarthenshire — a county of S Wales, formerly part of Dyfed (1974–96): on Carmarthen Bay, with the Cambrian Mountains in the N: generally agricultural (esp dairying). Administrative centre: Carmarthen. Pop: 176 000 (2003 est). Area: 2398 sq km (926 sq miles)
- carpometacarpal — Anatomy. of or relating to the carpus and the metacarpus.
- carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
- casement-window — a window sash opening on hinges that are generally attached to the upright side of its frame.
- cassette memory — a removable magnetic tape cartridge that stores data and programs.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- casters-up mode — [IBM, probably from slang belly up] Yet another synonym for "broken" or "down". Usually connotes a major failure. A system (hardware or software) which is "down" may be already being restarted before the failure is noticed, whereas one which is "casters up" is usually a good excuse to take the rest of the day off (as long as you're not responsible for fixing it).
- castrametations — Plural form of castrametation.
- cat-o'-mountain — catamountain
- cataclysmically — of, relating to, or resulting from a cataclysm.
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- central america — an isthmus joining the continents of North and South America, extending from the S border of Mexico to the NW border of Colombia and consisting of Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama. Area: about 518 000 sq km (200 000 sq miles)
- cephalohematoma — A hemorrhage of blood between the skull and periosteum of a newborn baby secondary to rupture of blood vessels crossing the periosteum.
- chamber concert — a concert of chamber music
- chamois leather — soft cleaning cloth
- champagne flute — a tall, thin champagne glass
- charismatically — In a charismatic way.
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- chatham islands — a group of islands in the S Pacific Ocean, forming a county of South Island, New Zealand: consists of the main islands of Chatham, Pitt, and several rocky islets. Chief settlement: Waitangi. Pop: 609 (2006 est). Area: 963 sq km (372 sq miles)
- chemical toilet — a toilet in which waste is treated with chemicals
- chemoattractant — a chemical substance that provokes chemotaxis, esp one that causes a bacterium to move in the direction in which its concentration is increasing
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- chimney-pot hat — a high silk hat; top hat.
- chinese mustard — brown mustard.
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- christmas carol — a joyful hymn or religious song, celebrating the birth of Christ
- christmas party — a party organized before Christmas, usually by a firm or organization
- chromatic scale — a twelve-note scale including all the semitones of the octave
- chromatographer — A person skilled in chromatography or who operates a chromatograph.
- chromatographic — (analytical chemistry) Of or pertaining to chromatography.
- chromic acetate — a grayish-green, water-soluble powder, Cr(C 2 H 3 O 2) 3 ⋅H 2 O, used chiefly as a mordant in dyeing and printing textiles.
- chromium-plated — having been plated with chromium
- church militant — those Christians on earth who are engaged in a continuous war against evil and the enemies of Christ.
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.