<B>Coahuiltecan, </B>noun.<DL COMPACT><DD> an extinct linguistic stock consisting of several languages once spoken among the Indians of the lower Rio Grande in Texas and northeastern Mexico. </DL>
<A NAME="coak">
<B>coak, </B>noun, verb.<DL COMPACT><DD><I>noun </I> a projection from a piece of wood or timber fitting into a hole in another piece at their joint, or a cylinder or pin of hard wood or the like set into both pieces, used in ship carpentry. <DD><I>v.t. </I> to join (wood) by means of a coak or coaks. </DL>
<A NAME="coal">
<B>coal, </B>noun, verb.<DL COMPACT><DD><I>noun </I> <B>1a. </B>a solid, hard black substance that burns and gives off heat. Coal is composed mostly of carbon. It is formed from partly decayed vegetable matter under great pressure and heat in the earth. Anthracite coal has greater carbonization than bituminous coal because it has been under greater pressure and heat during its formation. Coal is obtained by mining but is not a true mineral. <BR> <I>Ex. There are two important kinds of coal: bituminous, or soft, coal, and anthracite, or hard, coal (Beauchamp, Mayfield, and West).</I> <DD><B> b. </B>a piece or pieces of this substance for burning. <BR> <I>Ex. a bag of coal.</I> <DD><B> 2. </B>a piece of wood, coal, or other combustible material, burning, partly burned, or all burned; ember. <BR> <I>Ex. The big log had burned down to a few glowing coals.</I> <DD><B> 3. </B><B>=charcoal.</B> <DD><I>v.t. </I> <B>1. </B>to supply with coal. <BR> <I>Ex. to coal a ship.</I> <DD><B> 2. </B>to convert into charcoal; char. <DD><I>v.i. </I> to be supplied with coal. <BR> <I>Ex. The ship stopped just long enough to coal.</I> <BR><I>expr. <B>call over the coals,</B> <DD><B> a. </B>to scold; blame. </I> <I>Ex. He was called over the coals for cheating on the exam.</I> <DD><B> b. </B>a scolding; censure. <BR> <I>Ex. Your magistrates ... vastly needed a call over the coals (H. O. Traill).</I> <BR><I>expr. <B>carry coals to Newcastle.</B> </I>See under <B>Newcastle.</B> <BR><I>expr. <B>coals,</B> </I>(British.) pieces of coal used for burning. <BR> <I>Ex. Turning of trees to coals for fuel, when there is sufficient dead wood, is waste (Edward Coke).</I> <BR><I>expr. <B>haul</B> (or <B>rake</B>) <B>over the coals,</B> </I>to scold; blame. <BR> <I>Ex. He [Lenin] threw overboard the Soviet majority, and hauled the Bolsheviks themselves over the coals (Edmund Wilson).</I> <BR><I>expr. <B>heap coals of fire on one's head,</B> </I>to make one sorry by returning good for evil. <BR> <I>Ex. Therefore if thine enemy hunger, feed him; if he thirst, give him drink: for in so doing thou shalt heap coals of fire on his head (Romans 12:20).</I> </DL>
<A NAME="coalage">
<B>Coal Age</B> or <B>coal age,</B><DL COMPACT><DD> the Carboniferous period, during which most of the coal deposits were formed. <BR> <I>Ex. By the latter part of the Coal Age, this continent had begun to crack up and the pieces to drift apart (White and Renner).</I> </DL>
<A NAME="coalbin">
<B>coal bin,</B><DL COMPACT><DD> an enclosure for the storage of coal. </DL>
<A NAME="coalblack">
<B>coal-black, </B>adjective.<DL COMPACT><DD> black as coal; very black. </DL>
<A NAME="coalbox">
<B>coal-box, </B>noun.<DL COMPACT><DD> (Military Slang.) a low-velocity shell used by the Germans in World War I, to lay quantities of dense, black smoke as a screen. </DL>
<A NAME="coalcar">
<B>coal car,</B><DL COMPACT><DD> (U.S.) <DD><B> 1. </B>an open railroad car designed for carrying coal. <DD><B> 2. </B>a car for carrying coal in a mine or away from it. </DL>
<A NAME="coaler">
<B>coaler, </B>noun.<DL COMPACT><DD><B> 1. </B>a ship, freight car, or railroad, used for carrying or supplying coal. <DD><B> 2. </B>a worker or merchant who supplies coal. </DL>
<A NAME="coalesce">
<B>coalesce, </B>intransitive verb, <B>-lesced,</B> <B>-lescing.</B><DL COMPACT><DD><B> 1. </B>to grow together. (SYN) fuse. <DD><B> 2. </B>to unite into one body, mass, or party; combine. <BR> <I>Ex. The thirteen colonies coalesced to form a nation.</I> (SYN) consolidate, merge. </DL>
<B>coalescent, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> coalescing. <DD><I>noun </I> a person or thing that coalesces. </DL>
<A NAME="coalface">
<B>coal-face, </B>noun.<DL COMPACT><DD><B> 1. </B>the surface of coal exposed by mining. <DD><B> 2. </B>the place where the coal is being mined. </DL>
<A NAME="coalfield">
<B>coal field,</B> or <B>coalfield, </B>noun.<DL COMPACT><DD> a region where beds of coal are found. </DL>
<A NAME="coalfish">
<B>coalfish, </B>noun, pl. <B>-fishes</B> or (collectively) <B>-fish.</B><DL COMPACT><DD><B> 1. </B><B>=beshow.</B> <DD><B> 2. </B>a pollack. </DL>
<A NAME="coalgas">
<B>coal gas,</B><DL COMPACT><DD><B> 1a. </B>gas made from coal, used for heating and lighting. <DD><B> b. </B>coke-oven gas. <DD><B> 2. </B>gas given off by burning coal. </DL>
<A NAME="coalheaver">
<B>coal heaver,</B><DL COMPACT><DD> a person who carries or shovels coal. </DL>
<A NAME="coalhod">
<B>coal hod,</B> =coal scuttle.</DL>
<A NAME="coalhole">
<B>coalhole, </B>noun.<DL COMPACT><DD><B> 1. </B>a trap or hole for receiving coal to be stored in a coal bin. <DD><B> 2. </B>(British.) a coal bin. </DL>
<A NAME="coalhouse">
<B>coalhouse, </B>noun.<DL COMPACT><DD> a building or enclosure for the storage of coal. </DL>
<A NAME="coalification">
<B>coalification, </B>noun.<DL COMPACT><DD> (Geology.) the formation of a coal bed or seam. </DL>
<A NAME="coalingstation">
<B>coaling station,</B><DL COMPACT><DD> a place where ships or trains are supplied with coal. </DL>
<A NAME="coalition">
<B>coalition, </B>noun.<DL COMPACT><DD><B> 1. </B>a union into one mass or body. (SYN) fusion. <DD><B> 2a. </B>voluntary union or combination, as of parties or principles. (SYN) league. <DD><B> b. </B>a temporary alliance, especially of statesmen or political parties, for some special purpose. In wartime several countries may form a coalition against a common enemy. <BR> <I>Ex. All the great coalitions, beginning with the Hellenic coalition against Persia in the fifth century B.C., have depended heavily on external pressure for their cohesion (Harper's).</I> (SYN) league. </DL>
<A NAME="coalitionist">
<B>coalitionist, </B>noun.<DL COMPACT><DD> a person who supports a coalition. </DL>
<A NAME="coalize">
<B>coalize, </B>transitive verb, <B>-lized,</B> <B>-lizing.</B><DL COMPACT><DD> to join in a coalition. noun <B>coalizer.</B> </DL>
<A NAME="coalman">
<B>coalman, </B>noun, pl. <B>-men.</B><DL COMPACT><DD> a man who sells or delivers coal. <BR> <I>Ex. Not much coal left--must ring coalman (Punch).</I> </DL>
<B>Coal Measures,</B><DL COMPACT><DD> (Geology.) the upper division of the Pennsylvanian epoch, containing seams of coal with intervening strata of clay, sandstone, or the like. </DL>
<A NAME="coalmine">
<B>coal mine,</B><DL COMPACT><DD> a mine or pit where coal is dug from the earth; colliery. </DL>
<A NAME="coalminer">
<B>coal miner,</B><DL COMPACT><DD> a person who mines coal; collier. </DL>
<A NAME="coalmining">
<B>coal mining,</B><DL COMPACT><DD> the business or work of mining coal. </DL>
<A NAME="coalmining">
<B>coal-mining, </B>adjective.<DL COMPACT><DD> engaged in or connected with mining coal. </DL>
<B>coal pit,</B><DL COMPACT><DD><B> 1. </B><B>=coal mine.</B> <DD><B> 2. </B>a place where charcoal is made. </DL>
<A NAME="coalplant">
<B>coal plant,</B><DL COMPACT><DD> a fossil plant found in association with or entering into the composition of coal. </DL>
<A NAME="coalpocket">
<B>coal pocket,</B><DL COMPACT><DD> a structure with bunkers and appliances for receiving, storing, and loading coal. </DL>
<A NAME="coals">
<B>coals, </B>noun pl.<DL COMPACT><DD> See under <B>coal.</B> </DL>
<A NAME="coalsack">
<B>Coalsack, </B>noun.<DL COMPACT><DD> one of two large, dark markings in the Milky Way, due to obscuring clouds of cosmic dust, especially the one near the Southern Cross. <BR> <I>Ex. ... studies of the southern Coalsack, the most distinct dark nebula of our Milky Way (Scientific American).</I> </DL>
<A NAME="coalscuttle">
<B>coal scuttle,</B><DL COMPACT><DD> a bucket for holding or carrying coal; coal hod. </DL>
<A NAME="coaltar">
<B>coal tar,</B><DL COMPACT><DD> a black, sticky substance left after bituminous coal has been distilled to make coal gas. Coal tar is used to make roofing and paving materials. Aniline dyes, flavorings, perfumes, benzene, paraffin, naphtha, and many other products contain substances made from coal tar. <BR> <I>Ex. From coal tars came a series of compounds, called aromatic because of their pungent odor, whose structure took the form of ring-shaped molecules (Scientific American).</I> </DL>
<A NAME="coaltit">
<B>coal tit,</B><DL COMPACT><DD> a European titmouse (bird), with black markings on the head and throat. </DL>
<A NAME="coaltitude">
<B>co-altitude, </B>noun.<DL COMPACT><DD> (Astronomy, Surveying.) the complement of the altitude of a heavenly body; its angular distance from the zenith. </DL>
<A NAME="coalwhipper">
<B>coal-whipper, </B>noun.<DL COMPACT><DD> (British.) a person or machine that raises coal from the hold of a ship to unload it. </DL>
<A NAME="coaly">
<B>coaly, </B>adjective.<DL COMPACT><DD><B> 1. </B>of or like coal. <DD><B> 2. </B>containing coal. </DL>
<A NAME="coalyard">
<B>coalyard, </B>noun.<DL COMPACT><DD> a yard in which coal is stored or sold. </DL>
<A NAME="coambulant">
<B>coambulant, </B>adjective.<DL COMPACT><DD> (Heraldry.) walking side by side. <BR> <I>Ex. coambulant deer.</I> </DL>
<A NAME="coaming">
<B>coaming, </B>noun.<DL COMPACT><DD><B> 1. </B>a raised edge around a hatch or opening in a deck of a ship or roof to prevent water from running down below. <BR> <I>Ex. He swung his thick legs clumsily over the hatch coaming and stood up dizzily, clinging for support to the lifeline at the rail (Atlantic).</I> <DD><B> 2. </B>one of the pieces of this, especially a fore-and-aft section. </DL>
<A NAME="coandaeffect">
<B>Coanda effect,</B><DL COMPACT><DD> the property or tendency of any fluid passing a curved surface to attach itself to the surface; wall-attachment effect. The Coanda effect is important in fluidics and aerodynamics. <BR> <I>Ex. A common demonstration of the Coanda effect is seen when a falling jet of water from a tap defies gravity and runs along a spoon or jar just brought into contact with it (Science Journal).</I> </DL>
