16-letter words containing a, c, t, i, o
- catering college — a further education college where you learn to cook as a profession
- catherine howard — Catherine, c1520–42, fifth wife of Henry VIII.
- cavity resonator — a conducting surface enclosing a space in which an oscillating electromagnetic field can be maintained, the dimensions of the cavity determining the resonant frequency of the oscillations. It is used in microwave devices for frequencies exceeding 300 megahertz
- cedar revolution — the popular protests in 2005 that brought down the Lebanese cabinet and prompted Syria to withdraw its troops from Lebanon
- cesarean section — Also called Cesarean section, C-section. an operation by which a fetus is taken from the uterus by cutting through the walls of the abdomen and uterus.
- characterisation — (British spelling) Alternative form of characterization.
- characterization — Characterization is the way an author or an actor describes or shows what a character is like.
- charlotte amalie — the capital of the Virgin Islands of the United States, a port on St Thomas Island. Pop: 18 914 (2000)
- checking account — A checking account is a personal bank account which you can take money out of at any time using your cheque book or cash card.
- chemoautotrophic — producing organic matter by the use of energy obtained by oxidation of certain chemicals with carbon dioxide as the carbon source
- chemotherapeutic — of or used in chemotherapy
- chequing account — (in Canada) account against which cheques can be drawn
- chiclet keyboard — (hardware, abuse) A keyboard with a small, flat rectangular or lozenge-shaped rubber or plastic keys that look like pieces of Chiclets chewing gum. Used especially to describe the original IBM PCjr keyboard. Vendors unanimously liked these because they were cheap, and a lot of early portable and laptop computers were launched with them. Customers rejected the idea with almost equal unanimity, and chiclets are not often seen on anything larger than a digital watch any more.
- chipped potatoes — chips
- chloracetic acid — chloroacetic acid.
- chlorinated lime — bleaching powder.
- chocolate eclair — a finger-shaped cake made of choux pastry, filled with cream and iced with chocolate
- cholera infantum — an often fatal form of gastroenteritis occurring in infants, not of the same cause as cholera but having somewhat similar characteristics.
- cholesterolaemia — the presence of abnormally high levels of cholesterol in the blood
- chomp at the bit — champ at the bit (see phrase under champ1)
- chorioamnionitis — Inflammation of the fetal membranes (amnion and chorion) due to a bacterial infection, most often associated with prolonged labour.
- christian action — an inter-Church movement formed in 1946 to promote Christian ideals in society at large
- christmas factor — a protein implicated in the process of blood clotting, the lack of which causes Christmas disease
- chromatic number — (mathematics) The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour. See also: four colour map theorem.
- chromatographies — Plural form of chromatography.
- chromium plating — plating, often for decorative effect, made of chromium
- chromolithograph — a picture produced by chromolithography
- cigarette holder — A cigarette holder is a narrow tube that you can put a cigarette into in order to hold it while you smoke it.
- circumambulation — The act of walking around something in a circle, especially for a ritual purpose.
- circumlocutional — Of or relating to circumlocution : circumlocutionary.
- circumnavigation — to sail or fly around; make the circuit of by navigation: to circumnavigate the earth.
- circumnavigatory — Pertaining to circumnavigation.
- cisaconitic acid — a stereoisomer of 1-propene-1,2,3 tricarboxylic acid, C 6 H 6 O 6 , an important intermediate in the Krebs cycle.
- citronella grass — a tropical Asian grass, Cymbopogon (or Andropogon) nardus, with bluish-green lemon-scented leaves
- city of aberdeen — a council area in NE Scotland, established in 1996. Pop: 206 600 (2003 est). Area: 186 sq km (72 sq miles)
- civil air patrol — a voluntary organization performing emergency services, as assisting the U.S. Air Force on search missions, and offering aerospace-education and youth programs: founded 1941. Abbreviation: CAP.
- civilian clothes — not military uniform
- cladogenetically — By means of cladogenesis.
- cleaning product — a detergent or other household cleaner
- climatologically — In climatological terms.
- cloak-and-suiter — a manufacturer or seller of clothing.
- cloakroom ticket — a ticket given to someone who checks a coat or other personal item into a cloakroom and which is used to redeem that item at a later period
- cloistered vault — a vault having the form of a number of intersecting coves.
- closed-captioned — (of a video recording) having subtitles which appear on screen only if the cassette is played through a special decoder
- closing argument — In a court case, a lawyer's closing argument is their final speech, in which they give a summary of their case.
- co-determination — a system of industrial management in which workers share responsibility for the operation of a company, as through elected representation on a corporate supervisory board
- coadministration — Joint administration.
- cochineal cactus — a treelike cactus, Nopalea cochenillifera, of Mexico and Central America, that is a principal source of food of the cochineal insect.
- cochineal insect — a Mexican homopterous insect, Dactylopius coccus, that feeds on cacti
- cochlear implant — a device that stimulates the acoustic nerve in the inner ear in order to produce some form of hearing in people who are deaf from inner ear disease