Designating measures of length. Designating imperial units of length (geometrical foot, geometrical mile, etc.) variously explained, but in later…
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| 单词 | θ117099 |
| 释义 | the world > relative properties > measurement > measurement of length > [noun] > units of length or distance > mile > nautical mile (9) geometrical1597 Designating measures of length. Designating imperial units of length (geometrical foot, geometrical mile, etc.) variously explained, but in later… maritime mile1632 = nautical mile n. at nautical, adj. n.compounds 2. geometric1670 = geometrical, adj. 2c. Now historical. nautical mile1730 a unit used to measure distances at sea, (now) spec. (in full international nautical mile) a unit fixed in 1929 at exactly 1852 metres (approx. 6076… knot1748 Hence loosely used as if equivalent to ‘nautical mile’, in such phrases as 20 knots an hour. nautic mile1762 = nautical mile n. at nautical, adj. n.compounds 2. sea-mile1796 (a) a unit equal to a minute of arc of a great circle of the earth; cf. geographical mile n. at geographical, adj. compounds; (b) (in full interna… air mile1919 A nautical mile used as a measure of distance flown by aircraft. Subcategories:— a fraction of a nautical mile (1) |
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