单词 | oligochronometer |
释义 | > as lemmasoligochronometer ΘΚΠ the world > time > instruments for measuring time > [noun] > chronometer longitude1665 longitude watch1670 chronometer1714 sea-watch1768 watch1778 box chronometer1789 oligochronometer1857 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Oligochronometrum, term for an instrument invented by Del Negro for measuring the minute fractions of time: an oligochronometer. 1876 Catal. Special Loan Coll. Sci. Apparatus S. Kensington Mus. 604 Oligochronometer, an instrument for measuring the smallest fractions of time.—Applied to the measurement of the velocity of projectiles. < as lemmas |
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