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单词 quintant
释义

Definition of quintant in English:

quintant

noun ˈkwɪntənt
  • An instrument formerly used for making angular measurements, especially in astronomy and navigation, analogous to a sextant but having a notional arc of 72 degrees rather than 60 degrees, and so measuring up to 72 degrees (or 144 if the instrument has a mirror).

Origin

Late 17th century (in an earlier sense). From classical Latin quīntus fifth + -ant, after quadrant and sextant.

Definition of quintant in US English:

quintant

nounˈkwɪntənt
  • An instrument formerly used for making angular measurements, especially in astronomy and navigation, analogous to a sextant but having a notional arc of 72 degrees rather than 60 degrees, and so measuring up to 72 degrees (or 144 if the instrument has a mirror).

Origin

Late 17th century (in an earlier sense). From classical Latin quīntus fifth + -ant, after quadrant and sextant.

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更新时间:2025/7/4 13:33:43