| 单词 |
propelment |
| 释义 |
propelment|prəʊˈpɛlmənt| [f. propel v. + -ment.] a. The act of propelling; propulsion. b. concr. The propelling mechanism of a clock or other recording instrument; spec. an escapement in which the pallets drive the escape-wheel (instead of the reverse, as in an ordinary clock).
1890in Cent. Dict. |

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