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单词 microthermic
释义

microthermicadj.

Brit. /ˌmʌɪkrə(ʊ)ˈθəːmɪk/, U.S. /ˌmaɪkroʊˈθərmɪk/, /ˌmaɪkrəˈθərmɪk/
Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: microtherm n., -ic suffix.
Etymology: < microtherm n. + -ic suffix, in quot. 1903 after German mikrotherm. Compare megathermic adj., mesothermic adj.
Ecology. rare.
= microtherm adj.
ΘΚΠ
the world > plants > by habitat or distribution > [adjective] > that grow in cold environments or at high altitude
uplandish1545
upland1639
alpestrine1787
alpestral1852
nival1884
microthermal1901
microthermic1903
microtherm1964
1903 W. R. Fisher tr. A. F. W. Schimper Plant-geogr. 236 The most important family of the north temperate zone among the Polycarpicae, that of the Ranunculaceæ, is mesothermic and microthermic.
1915 Bot. Gaz. 59 272 The cirques will often have a flora distinctly microthermic.
1929 Jrnl. Ecol. 17 411 The last chapter deals with the microthermic (‘alpine’) vegetation.
1987 Austral. Jrnl. Zool. 35 575 The flora and fauna of Australia may be classified as Torresian, Bassian or Eyrean with various elaborations, or as megathermic, mesothermic or microthermic.
This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).
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adj.1903
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