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单词 nyctohemeral
释义

nyctohemeraladj.

Brit. /ˌnɪktəʊˈhɛm(ə)rəl/, /ˌnɪktəʊˈhɛm(ə)rl̩/, U.S. /ˌnɪktoʊˈhɛm(ə)rəl/
Origin: A variant or alteration of another lexical item. Etymon: nycthemeral adj.
Etymology: Variant of nycthemeral adj., probably after nycto- comb. form.
Chiefly Biology and Physiology.
= nycthemeral adj.
ΚΠ
1941 W. A. N. Dorland & E. C. Miller Med. Dict. (ed. 19) Nyctohemeral, pertaining to both day and night.
1956 Amer. Naturalist 90 365 Not only does the pineal control the rhythmic response to the nyctohemeral rhythm, but it has also internalized this rhythm.
1997 Cell & Molecular Life Sci. 53 697 Thymus type II thyroxine deiodinase activity exhibits a nyctohemeral profile, with basal values during the day and high values at night.
This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).
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adj.1941
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更新时间:2024/12/22 22:34:51