| 单词 | rocket |
| 释义 | rocket 1. n. & v. --n 1. a cylindrical projectile that can be propelled to a great height or distance by combustion of its contents, used esp. as a firework or signal. 2. an engine using a similar principle but not dependent on air intake for its operation. 3. a rocket-propelled missile, spacecraft, etc. 4. Brit. sl. a severe reprimand. --v (rocketed, rocketing) 1. tr. bombard with rockets. 2. intr. a move rapidly upwards or away. b increase rapidly (prices rocketed). Etymology: F roquette f. It. rochetto dimin. of rocca ROCK(2), with ref. to its cylindrical shape 2. n. 1. (also sweet rocket) any of various fast-growing plants, esp. of the genus Hesperis or Sisymbrium. 2. a cruciferous annual plant, Eruca sativa, grown for salad. Phrases and idioms wall-rocket a yellow-flowered weed, Diplotaxis muralis, emitting a foul smell when crushed. yellow rocket winter cress. Etymology: F roquette f. It. rochetta, ruchetta dimin. of ruca f. L eruca downy-stemmed plant |
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