13-letter words containing a, m, d
- camera lucida — an instrument attached to a microscope, etc to enable an observer to view simultaneously the image and a drawing surface to facilitate the sketching of the image
- camp-drafting — a competitive test, esp at an agricultural show, of horsemen's skill in drafting cattle
- campaign fund — money for a campaign, as of a political candidate, usually acquired through contributions by supporters.
- canada balsam — a yellow transparent resin obtained from the balsam fir. Because its refractive index is similar to that of glass, it is used as an adhesive in optical devices and as a mounting medium for microscope specimens
- canal du midi — a canal in S France, extending from the River Garonne at Toulouse to the Mediterranean at Sète and providing a link between the Mediterranean and Atlantic coasts: built between 1666 and 1681. Length: 181 km (150 miles)
- candid camera — a small camera that may be used to take informal photographs of people, usually without their knowledge
- cape marigold — any composite plant of the genus Dimorphotheca, having variously colored, daisylike flowers.
- carbamic acid — hypothetical compound known only in carbamate salts
- cardiomegalia — abnormal enlargement of the heart.
- casement door — a door having glass panes throughout or nearly throughout its length.
- cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- cat distemper — distemper1 (def 1c).
- cat-and-mouse — denoting a fight or contest in which participants attempt to confuse or deceive each other in a cruel or teasing way, esp before a final act of cruelty or unkindness
- ceramic oxide — a compound of oxygen with nonorganic material: recently discovered to act as a high-temperature superconductor
- chance-medley — a sudden quarrel in which one party kills another; unintentional but not blameless killing
- charmed quark — a type of quark with a mass of c. 1.0 to 1.6 GeV/c2, a positive charge that is 2⁄3 the charge of an electron, +1 charm, and zero strangeness
- chemical bond — a mutual attraction between two atoms resulting from a redistribution of their outer electrons
- chlamydomonas — a green, fresh water alga of the class Chlorophyceae that is flagellate and made up of a single cell
- chlamydospore — a thick-walled asexual spore of many fungi: capable of surviving adverse conditions
- chondromatous — a benign cartilaginous tumor or growth.
- christmas day — Christmas Day is the 25th of December, when Christmas is celebrated.
- christmastide — the festival season from Christmas to after New Year's Day.
- cinco de mayo — May 5, anniversary of the victory of Mexico over French forces at Puebla in 1862: observed by Mexicans and Mexican-Americans
- cinnamic acid — a white crystalline water-insoluble weak organic acid existing in two isomeric forms; 3-phenylpropenoic acid. The trans- form occurs naturally and its esters are used in perfumery. Formula: C6H5CH:CHCOOH
- circumstanced — simple past tense and past participle of circumstance.
- ciudad madero — city in Tamaulipas state, EC Mexico: suburb of Tampico: pop. 160,000
- clamp down on — a device, usually of some rigid material, for strengthening or supporting objects or fastening them together.
- clotted cream — Clotted cream is very thick cream made by heating milk gently and taking the cream off the top. It is made mainly in the south west of England.
- cloud chamber — an apparatus for detecting high-energy particles by observing their tracks through a chamber containing a supersaturated vapour. Each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
- coalesced sum — (theory) (Or "smash sum") In domain theory, the coalesced sum of domains A and B, A (+) B, contains all the non-bottom elements of both domains, tagged to show which part of the sum they come from, and a new bottom element. D (+) E = { bottom(D(+)E) } U { (0,d) | d in D, d /= bottom(D) } U { (1,e) | e in E, e /= bottom(E) } The bottoms of the constituent domains are coalesced into a single bottom in the sum. This may be generalised to any number of domains. The ordering is bottom(D(+)E) <= v For all v in D(+)E (i,v1) <= (j,v2) iff i = j & v1 <= v2 "<=" is usually written as LaTeX \sqsubseteq and "(+)" as LaTeX \oplus - a "+" in a circle.
- come in handy — If something comes in handy, it is useful in a particular situation.
- command paper — (in Britain) a government document that is presented to Parliament, in theory by royal command
- commandeering — Present participle of commandeer.
- commandership — a person who commands.
- commaundement — Obsolete spelling of commandment.
- commendations — the act of commending; recommendation; praise: commendation for a job well done.
- commensurated — Simple past tense and past participle of commensurate.
- commodifiable — to turn into a commodity; make commercial.
- compactedness — the state of being compacted
- companionhood — companionship
- company grade — military rank applying to army officers below major, as second and first lieutenants and captains.
- compartmented — Divided into compartments.
- complicatedly — composed of elaborately interconnected parts; complex: complicated apparatus for measuring brain functions.
- compound leaf — a leaf consisting of two or more leaflets borne on the same leafstalk
- comradeliness — the quality of being comradely
- condemnations — Plural form of condemnation.
- condylomatous — Relating to condyloma.
- conglomerated — Simple past tense and past participle of conglomerate.
- contrabandism — the practice of trading contraband goods
- copperheadism — U.S. History. (during the Civil War) the advocacy of peace negotiations to restore the Union to its prewar condition, with continued slavery in the South.