单词 | biogenous |
释义 | biogenousadj. 1. Plant Pathology. Of a fungal pathogen: growing on a living plant; parasitic. Now rare. ΚΠ 1885 Jrnl. Mycol. 1 73 The species are all biogenous, i. e. growing on living plants. 1913 F. L. Stevens Fungi which cause Plant Dis. 555 Biogenous, particularly on leaves. 1937 Mycologia 29 538 The fungus, whether essentially of biogenous character or not, is presented here. 2. Geology and Palaeontology. = biogenic adj. 1b. ΘΚΠ the world > life > biology > organism > [adjective] > produced by biogenic1903 biogenous1927 1927 Science 14 Oct. 341/2 This group is only one of many groups of physiologically more or less active substances grouped together as a class of biogenous amines. 1963 Times 30 Sept. 9/6 These extracts, taken from a wide range of materials, including leaves of the aloe plant,..are said to contain ‘biogenous stimulators’. 1984 A. C. Duxbury & A. Duxbury Introd. World's Oceans ii. 52 If the fine-particle sediment..is more than 30% biogenous sediment by weight, then it is known as ooze. 2005 T. Garrison Oceanography (ed. 5) 119/2 Biogenous sediments are most abundant where ample nutrients encourage high biological productivity. This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021). < adj.1885 |
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