The science or use of rockets (of any kind) and rocket propulsion. Also figurative and in figurative contexts (cf. firework, n. 3d).
| 单词 | θ207441 |
| 释义 | society > travel > air or space travel > use or science of rockets > [noun] (9) rocketry1875 The science or use of rockets (of any kind) and rocket propulsion. Also figurative and in figurative contexts (cf. firework, n. 3d). rocketeering1932 The activities of a rocketeer (rocketeer, n. 3); = rocketry, n. Subcategories:— expert in or enthusiast for (2) — a rocket flight (1) — launch (4) |
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