Cou`lomb" me"ter (?). (Elec.) Any instrument by which electricity can be measured in coulombs.
Cou`lomb's" law (?). (Physics) The law that the force exerted between two electric or magnetic charges is directly proportional to the product of the charges and inversely to the square of the distance between them.
Cou*lure" (?), n. [F., prop., a dropping.] (Hort.) A disease affecting grapes, esp. in California, manifested by the premature dropping of the fruit.
||Cou"ma*rou (?), n. [See Coumarin.] (Bot.) The tree (Dipteryx odorata) which bears the tonka bean; also, the bean itself.
Coun"ter, n. -- Over the counter (Stock Exchanges), in an office; -- said of business so done, as distinguished from that done at an exchange. [Cant]
Coun"ter*glow` (?), n. (Astron.) An exceedingly faint roundish or somewhat oblong nebulous light near the ecliptic and opposite the sun, best seen during September and October, when in the constellations Sagittarius and Pisces. Its cause is not yet understood. Called also Gegenschein.
Coun"ter*lath` (?), n. (Building) (a) A batten laid lengthwise between two rafters to afford a bearing for laths laid crosswise. (b) Any lath laid without actual measurement between two gauged laths. (c) Any of a series of laths nailed to the timbers to raise the sheet lathing above their surface to afford a key for plastering. (d) One of many laths used in preparing one side of a partition or framed wall, when the other side has been covered in and finished.