单词 | microtherm |
释义 | microtherm Bot.|ˈmaɪkrəθɜːm| [f. Gr. µῑκρό-ς small + θέρµη heat, θερµός hot.] A plant, native of an arctic or alpine region.
1875J. G. Baker Bot. Geog. 48 Microtherm, characteristic of the arctic-alpine zone. Ibid. 50 The seeds of many of the Microtherms..will germinate at a temperature of little over 32°. 1884Trans. Vict. Inst. 38 Microtherms—plants inhabiting alpine or arctic regions. 1888Our Earth & its Story (ed. Brown) II. 275 note, Microtherms, plants of the Arctic-Alpine zone. 1900Jackson Gloss. Bot. |

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