| Copernican system |
the theory, first held by Copernicus, that the earth and other planets revolve around the sun. |
| copestone |
variant of capstone. |
| copier |
a machine used to make photographic copies of pages; photocopy machine. (See Xerox.) [2 definitions] |
| copilot |
one who is second in command to the pilot of an airplane. |
| coping |
the top layer of a masonry wall, often having a sloping surface so that water will run off. |
| coping saw |
a handsaw with a thin blade that is attached to the handle by a U-shaped frame, used for cutting curved shapes into wood. |
| copious |
abundant in number or quantity; plentiful. |
| copolymer |
a heavy compound produced by copolymerizing. |
| copolymerize |
to polymerize (two or more different monomers), or to undergo polymerizing. |
| cop out |
(informal) to avoid facing a responsibility or fulfilling a promise, esp. in a cowardly way. |
| cop-out |
(informal) an instance or act of evading responsibility or not fulfilling a promise. |
| copper |
a chemical element that has twenty-nine protons in each nucleus and occurs as a reddish brown, corrosion-resistant solid metal with excellent electrical conductivity, widely used for wiring and in pipes, and in alloys such as brass and bronze. (symbol: Cu). [7 definitions] |
| copperas |
the chemical compound ferrous sulfate. |
| copperhead |
a venomous snake of the southeastern United States having a copper-colored body with darker bands. [2 definitions] |
| copperplate |
an engraved or etched flat plate of copper used in printing. [3 definitions] |
| coppersmith |
an artisan who makes utensils and art objects out of copper. |
| copper sulfate |
a poisonous blue crystalline copper compound, used in germicides, batteries, electroplating, and the like. |
| coppice |
variant of copse. |
| copra |
dried coconut flesh, from which oil is removed for use in various products. |
| copresident |
combined form of president. |
| coprince |
combined form of prince. |