Coact, kō-akt′, v.i. (Shak.) to act together.—adj. Coact′ive (Shak.), acting together.—n. Coactiv′ity.
Coact, kō-akt′, v.t. to compel.—n. Coac′tion, compulsion.—adj. Coact′ive, compulsory. [L. cogĕre, coactum, to compel.]
Coadjacent, kō-ad-jās′ent, adj. contiguous.—n. Coadjac′ency. [Co- and Adjacent.]
Coadjutant, kō-ad-jōō′tant, or ko-ad′joo-tant, adj. mutually helping or assisting.—n. one of several who help another.—ns. Coadju′tor, a helper or assistant: an associate:—fem. Coadju′tress, Coadju′trix; Coadju′torship. [L. co, with, adjutor, a helper—ad, to, juv-āre, to help.]
Coadunate, kō-ad′ū-nāt, v.t. to unite: to combine.—n. Coadunā′tion.—adj. Coad′unātive. [Co-, and L. adunāre, -ātum, to unite.]
Co-agency, kō-ā′jen-si, n. agency with another.—n. Co-ā′gent, one acting with another.
Coagulate, kō-ag′ū-lāt, v.t. to make to curdle or congeal.—v.i. to curdle or congeal.—adj. clotted: congealed.—n. Coagulabil′ity.—adj. Coag′ulable.—ns. Coagū′lant, a substance which causes coagulation, as rennet; Coagulā′tion.—adjs. Coag′ulātive; Coag′ulātory.—n. Coag′ulum, what is coagulated. [L. coagulāre, -ātum, co-, together, ag-ĕre, to drive.]
Coaita, kō-ī′ta, n. a small South American monkey—the red-faced Spider Monkey.
Coal, kōl, n. a solid, black, combustible substance used for fuel, dug out of the earth: cinder.—v.i. to take in coal.—v.t. to supply with coal.—n. Coal′-bed, a stratum of coal.—adj. Coal′-black, black as coal, very black.—ns. Coal′-box, a box for holding coal; Coal′-brass, a name applied to the pyrites in the coal-measures; Coal′field, a field or district containing coal strata; Coal′-fish, a fish of the cod family, so named from the black colour of its back; Coal′-gas, the mixture of gases produced by the destructive distillation of coal, chiefly carburetted hydrogen—giving the gaslight in common use; Coal′-heav′er, one employed in carrying coal; Coal′-house, a covered-in place for keeping coal; Coal′man, one who has to do with coals; Coal′-mas′ter, the owner or lessee of a coalfield; Coal′-meas′ure, a measure by which the quantity of coal is ascertained: (pl.) the group of carboniferous strata in which coal is found (geol.); Coal′-mine, Coal′-pit, a pit or mine from which coal is dug; Coal′-own′er, one who owns a colliery; Coal′-plant, a fossil plant of the carboniferous strata; Coal′-scutt′le, a vessel for holding coal; Coal′-tar, or Gas-tar, a thick, black, opaque liquid which condenses in the pipes when coal or petroleum is distilled; Coal′-trim′mer, one who stores or shifts coal on board vessels; Coal′-whip′per, one employed in unloading coal from vessels at anchor to barges which convey it to the wharves.—adj. Coal′y, of or like coal.—Coaling station, a port at which steamships take in coal; Coal-scuttle bonnet, a woman's bonnet, shaped like a coal-scuttle upside down.—Blind or Anthracite coal, that which does not flame when kindled; Bituminous coal, that which does; Brown coal (see Brown); Caking coal, a bituminous coal which cakes or fuses into one mass in the fire; Cannel or Parrot coal (see Cannel); Cherry or Soft coal, coal breaking off easily into small, irregular cubes, having beautiful shining lustre; Splint, Hard, or Block coal, plentiful in Scotland, hard, breaking into cuboidal blocks.—Blow the coals, to excite passion; Carry coals to Newcastle, to take a thing where it is least needed; Haul over the coals, reprimand—from the discipline applied to heretics; Heap coals of fire on the head, to excite remorse by returning good for evil (Rom. xii. 20). [A.S. col; cog. with Ice. kol, Ger. kohle.]
Coalesce, kō-al-es′, v.i. to grow together or unite into one body: to associate.—adj. Coales′cent, uniting.—n. Coales′cence, union. [L. coalescĕre, co-, together, and alescĕre, to grow up.]