释义 |
pre·cip·i·ta·tor \-ˌtād.ə(r), -ātə-\ noun (-s) : one that precipitates: as a. (1) : a person who precipitates some act or event : hastener (2) : an operator of a precipitating machine (3) : a worker who precipitates silver or gold from cyanide solution in zinc boxes or with zinc dust b. (1) : an apparatus for causing precipitation (2) : an apparatus used in electrostatic precipitation that contains the collecting and discharge electrodes and may be characterized by a series of parallel pipes or plates through or between which the gas passes — called also electrical precipitator, electrostatic precipitator |