nychthemeron

名词 n.
中文释义
英 /nɪkˈθɛm.ə.ɹɒn/|/nɪkˈθɛ.mɪ.ɹɒn/    美 /nɪkˈθi.mə.ɹɑn/|/nɪkˈθɛməɹɑn/

英文释义

名词 n.
  1. A period of one day and one night, a date: in the West, a period of 24 consecutive hours. uncommon
    — It has not yet been found by Observation, whether Mercury turns upon its own Axis, ... that is, whether it has the vicissitude of Day and Night, much less what is the space of its Nychthemeron or Natural Day; but one may safely enough conjecture that it does revolve about its Axis, since the other Planets do.

词形变化

nychthemera plural nychthemerons plural nycthemere alternative nycthemeron alternative

词源

From Ancient Greek νυχθήμερον (nukhthḗmeron), noun use of the neuter singular form of νυχθήμερος (nukhthḗmeros, “lasting a day and night”), from νύξ (núx, “night”) + ἡμέρα (hēméra, “day”).
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