| 单词 | spark |
| 释义 | spark 1. n. & v. --n 1. a fiery particle thrown off from a fire, or alight in ashes, or produced by a flint, match, etc. 2. (often foll. by of) a particle of a quality etc. (not a spark of life; a spark of interest). 3. Electr. a a light produced by a sudden disruptive discharge through the air etc. b such a discharge serving to ignite the explosive mixture in an internal-combustion engine. 4. a a flash of wit etc. b anything causing interest, excitement, etc. c (also bright spark) a witty or lively person. 5. a small bright object or point, e.g. in a gem. 6. (Sparks) a nickname for a radio operator or an electrician. --v 1. intr. emit sparks of fire or electricity. 2. tr. (often foll. by off) stir into activity; initiate (a process) suddenly. 3. intr. Electr. produce sparks at the point where a circuit is interrupted. Phrases and idioms spark chamber an apparatus designed to show ionizing particles. spark-gap the space between electric terminals where sparks occur. sparking-plug Brit. = spark-plug. spark-plug a device for firing the explosive mixture in an internal-combustion engine. Derivatives sparkless adj. sparky adj. Etymology: ME f. OE sp{aelig}rca, spearca 2. n. & v. --n 1. a lively young fellow. 2. a gallant, a beau. --vintr. play the gallant. Derivatives sparkish adj. Etymology: prob. a fig. use of SPARK(1) |
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