单词 | self-generation |
释义 | > as lemmasself-generation self-generation n. Brit. /ˌsɛlfdʒɛnəˈreɪʃn/ , U.S. /ˌsɛlfˌdʒɛnəˈreɪʃ(ə)n/ spontaneous generation of something, without the need for an external force or factor to be present.ΚΠ 1799 R. J. Thornton Philos. Med. (ed. 4) IV. 260 (heading) First cause, or self-generation of putrid fever. 1856 Leeds Mercury 19 Feb. 2/4 Its [sc. cheap postage] marvellous powers of self-generation are so great, that it is highly probable that in the course of a few years the revenue will not only equal, but exceed, the expenditure. 1950 Ess. & Stud. 3 37 Everything in his poetry goes to suggest that it was created..by a largely spontaneous..process of self-generation. 2005 Sci. Amer. (U.K. ed.) Apr. 39/2 The decades-old dream of generating a spontaneous magnetic field in a laboratory fluid dynamo was first realized in 2000, when two groups in Europe..independently achieved self-generation in large volumes of liquid sodium. < as lemmas |
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