| crack | informal or slang terms for mentally irregular |
|---|---|
| crack | the act of cracking something |
| crack | a sudden sharp noise |
| crack | the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process) |
| crack | (informal) very good |
| crack | making a loud sharp sound as of a rifle shot or a breaking branch or a whip |
| crack | glazed china with a network of fine cracks on the surface |
| crack | the sharp sound of snapping noises |
| crack | to become, or to cause to become, covered with a network of small cracks |
| crack | make crunching noises |
| crack | make a crackling sound |
| crack | having the surface decorated with a network of fine cracks, as in crackleware |