A particular rate of speed. (In physical science the word now used is velocity.) Obsolete.
| 单词 | θ107622 |
| 释义 | the world > movement > rate of motion > [noun] > in the physical sciences (16) celerity1734 A particular rate of speed. (In physical science the word now used is velocity.) Obsolete. velocity1847 In scientific use, speed together with the direction of travel, as a vector quantity. Subcategories:— at which air resistance equals weight of body (1) — of moving air or wind (1) — measurement of (12) |
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