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chronometer    
n. 天文,航海用的精密时计,精密的时钟

天文,航海用的精密时计,精密的时钟

chronometer
n 1: an accurate clock (especially used in navigation)

Chronometer \Chro*nom"e*ter\, n. [Gr. ? time -meter: cf. F.
chronom[`e]tre.]
1. An instrument for measuring time; a timekeeper.
[1913 Webster]

2. A portable timekeeper, with a heavy compensation balance,
and usually beating half seconds; -- intended to keep time
with great accuracy for use an astronomical observations,
in determining longitude, etc.
[1913 Webster]

3. (Mus.) A metronome.
[1913 Webster]

{Box chronometer}. See under {Box}.

{Pocket chronometer}, a chronometer in the form of a large
watch.

{To rate a chronometer}. See {Rate}, v. t.
[1913 Webster] Chronometric

32 Moby Thesaurus words for "chronometer":
Big Ben, astronavigation, celestial navigation, clock,
clock movement, clockworks, coastwise navigation, consolan,
dead reckoning, fix, horologe, horologium, line of position, loran,
pilotage, plane sailing, point-to-point navigation, radar,
radio beacon, radio navigation, sextant, shoran, sofar, sonar,
tables, ticker, timekeeper, timepiece, timer, turnip, watch,
watchworks


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