A mechanical device for propelling something (in quot. 1780: a turbine waterwheel). Now only as in senses 1b, 1c.
| 单词 | θ214227 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > propeller (8) propeller1780 A mechanical device for propelling something (in quot. 1780: a turbine waterwheel). Now only as in senses 1b, 1c. Subcategories:— for propelling vessels (1) — driven by water (2) — ratios, etc., of (4) |
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