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单词 nycthemeral
释义

Definition of nycthemeral in English:

nycthemeral

(also nychthemeral)
adjective nɪkˈθɛm(ə)rəlnɪkˈθɛm(ə)r(ə)l
Physiology Biology
  • Designating or characterized by a variation that occurs in a period of twenty-four hours, especially corresponding to the contrast between day and night.

Origin

Early 20th century; earliest use found in Nature: a weekly journal of science. From nycthemer- + -al. Compare French nyctéméral, nycthéméral.

Definition of nycthemeral in US English:

nycthemeral

(also nychthemeral)
adjective
Physiology Biology
  • Designating or characterized by a variation that occurs in a period of twenty-four hours, especially corresponding to the contrast between day and night.

Origin

Early 20th century; earliest use found in Nature: a weekly journal of science. From nycthemer- + -al. Compare French nyctéméral, nycthéméral.

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更新时间:2025/7/5 13:45:44