11-letter words containing e, c, l, o
- counterseal — a smaller seal on the reverse of the main seal
- countervail — to act or act against with equal power or force
- countlessly — in a countless manner
- coup d'oeil — a quick glance
- courteously — having or showing good manners; polite.
- courtliness — polite, refined, or elegant: courtly manners.
- cover glass — a thin square of mounted glass used to protect a photographic slide
- cow college — an agricultural college
- cow parsley — a common Eurasian umbelliferous hedgerow plant, Anthriscus sylvestris, having umbrella-shaped clusters of white flowers
- cowansville — a town in S Quebec, in E Canada.
- cowardliest — Superlative form of cowardly.
- crab-plover — a black and white wading bird, Dromas ardeola, of the northern and western shores of the Indian Ocean.
- cradle roof — a roof having trusses the undersides of which form an arch.
- cradleboard — a wooden frame worn on the back, used by North American Indian women for carrying an infant.
- credulously — In a credulous manner; believably.
- crenelation — Alternative form of crenellation.
- crenulation — any of the teeth or notches of a crenulate structure
- creole-fish — a deep-sea fish, Paranthias furcifer, of the sea bass family, inhabiting tropical Atlantic waters.
- crest cloud — a stationary cloud parallel to and near the top of a mountain ridge. Compare cap cloud (def 1).
- crinkleroot — any of several species of the toothwort Dentaria, esp D. diphylla of E North America, which has a fleshy pungent rhizome and clusters of white or pinkish flowers: family Brassicaceae (crucifers)
- crocidolite — a blue fibrous amphibole mineral consisting of sodium iron silicate: a variety of asbestos used in cement products and pressure piping
- cromwellian — of, relating to, or characteristic of the politics, practices, etc., of Oliver Cromwell or of the Commonwealth and Protectorate.
- crop circle — any of various patterns, usually wholly or partly consisting of ring shapes, formed by the unexplained flattening of cereals growing in a field
- croquignole — a small crisp cake
- cross swell — a movement of the sea at right angles to a major current
- cross-slide — the part of a lathe or planing machine on which the tool post is mounted and across which it slides at right angles to the bed of the lathe
- crosslegged — Alternative spelling of cross-legged.
- crown jewel — The Crown Jewels are the crown, sceptre, and other precious objects which are used on important official occasions by the King or Queen.
- crown wheel — the wheel next to the winding knob that has one set of teeth at right angles to the other
- cuitlacoche — corn smut.
- culdoscopes — Plural form of culdoscope.
- culmiferous — (of grasses) having a hollow jointed stem
- culver hole — a hole for receiving a timber.
- cunobelinus — also called Cymbeline. died ?42 ad, British ruler of the Catuvellauni tribe (?10–?42); founder of Colchester (?10)
- cupellation — the process of recovering precious metals from lead by melting the alloy in a cupel and oxidizing the lead by means of an air blast
- cupronickel — any ductile corrosion-resistant copper alloy containing up to 40 per cent nickel: used in coins, condenser tubes, turbine blades, etc
- cushionless — without a cushion
- cut a melon — to declare an abnormally high dividend to shareholders
- cutaneously — In a cutaneous way.
- cuttlebones — Plural form of cuttlebone.
- cyclazocine — an opiate antagonist used to inhibit the effects of morphine or heroin
- cycloalkane — any saturated hydrocarbon similar to an alkane but having a cyclic molecular structure and the general formula CnH2n
- cycloalkene — (organic chemistry) Any unsaturated alicyclic hydrocarbon.
- cyclobutane — (uncountable, organic compound) A simple alicyclic hydrocarbon, C4H8; a light inflammable gas.
- cyclohexane — a colourless insoluble flammable liquid cycloalkane with a pungent odour, made by hydrogenation of benzene and used as a paint remover and solvent. Formula: C6H12
- cyclohexene — (organic compound) A cyclic hydrocarbon containing six carbon atoms and one double bond; any of its derivatives.
- cyclometers — Plural form of cyclometer.
- cycloolefin — any of the homologous series of unsaturated, alicyclic hydrocarbons, as cyclooctatetraene and cyclopentadiene, containing one double bond in the ring and having the general formula C 11 H 2n−2 .
- cyclopaedia — (archaic) The circle or compass of the arts and sciences (originally, of the seven so-called liberal arts and sciences); circle of human knowledge.
- cyclopentyl — (organic chemistry) The univalent radical derived from cyclopentane by the formal removal of a hydrogen atom.