单词 | dormancy |
释义 | dormancyn. Dormant condition (cf. dormant adj. and n.) spec. of seeds and plants (see quot. 1929). ΘΚΠ the world > action or operation > inaction > [noun] > temporary dormancy1789 hibernation1829 1789 N. Forster in S. Parr Wks. (1828) VII. 464 The dormancy of any such prerogative. 1804 Philos. Trans. (Royal Soc.) 95 18 During this dormancy, the animal may be frozen, without the destruction of the muscular irritability. 1825 E. Bulwer-Lytton Falkland 37 Her only escape from misery had been in the dormancy of feeling. 1845 Florist's Jrnl. 6 158 The period of dormancy or rest should be brought on gradually. 1911 Bot. Gaz. 52 455 Fawcett obtained similar results with many kinds of weed seeds, the percentage of germination being increased, and the ‘period of dormancy’ shortened by freezing again and again. 1916 Amer. Jrnl. Bot. 3 99 Dormancy in plants is common in three organs, seeds, spores, and buds. 1929 J. E. Weaver & F. E. Clements Plant Ecol. vi. 113 When a seed does not germinate immediately upon leaving the parent plant, it is said to be in a state of dormancy. Dormancy is not confined to seeds, however, but is also characteristic of many offshoots such as rhizomes, bulbs, tubers, etc. 1959 New Scientist 3 Sept. 338/3 Gibberellic acid..can also break dormancy so that freshly lifted potatoes immediately sprout when dipped in this substance and dormant seeds germinate. 1971 Nature New Biol. 16 June 195/1 Professor P. F. Wareing..reviewed the environmental and hormonal factors controlling seed dormancy. This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022). < n.1789 |
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