| 单词 | chip log |
| 释义 | > as lemmaschip log chip log n. Nautical (now chiefly historical) an apparatus for determining a ship's speed in knots, consisting of a thin section of wood, loaded so as to float upright in the water, and fastened to a line wound on a reel; = log n.1 6. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > device to ascertain ship's speed through water log1574 marine surveyor1726 chip log1846 bottom gear1867 1846 Jrnl. Franklin Inst. Jan. 59 The maximum speed attained, ascertained by the ‘chip log’, was 6½ knots. 1926 Sci. Monthly 22 61/2 The speed through the water..must also be determined in some manner. In olden days they had the chip-log and the hour-glass. 2013 Daily News (Galveston, Texas) 27 Nov. a10/3 The term [knot] originated during the era of the ancient mariners from counting the number of knots in the line that unspooled from the reel of a chip log in a specific time. < as lemmas |
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