单词 | biotic |
释义 | bioticadj.ΘΚΠ the world > life > source or principle of life > [adjective] > present life worldlyOE biotica1614 a1614 J. Melville Autobiogr. & Diary (1842) 331 The quhilk to serve for all those biotik matters, I thought weil to be heir insert. 2. a. Biology. Originally: = vital adj. 1a. In later use: of or relating to living organisms; caused by living organisms. ΘΚΠ the world > life > [adjective] beastlyc1384 biotical1869 biotic1891 1847 Brit. & Foreign Med. Rev. 24 183 To facilitate the comprehension of his views, we will designate these forces or powers as the vital—or, if that term be too hackneyed, as the biotic—forces or powers. 1848 C. D. Meigs Females & their Dis. xxxii. 421 I refer you again to the so often proposed dogma, or rather truth, that Biotic power is the result of the contact of oxygenated blood with the substance of brain. 1891 Lancet 21 Nov. 1153/2 Now it is known that certain infections are biotic, others toxic. 1928 Ecology 9 114 The quantity of organisms which may be found is a result of the balance between the biotic potential..and the environmental resistance. 1974 Jrnl. Ecol. 62 805 The composition of the initial microbial populations will have been conditioned by environmental and biotic factors over a considerable period before sampling. 2006 J. T. Costa Other Insect Societies ii. 35 Ecological pressures, both biotic and abiotic: for example, predation, parasitism, kleptoparasitism, resource needs, and thermal challenges. b. Ecology. Of or relating to a (typically specific) biota or ecosystem, or flora or fauna in general. ΚΠ 1901 L. Stejneger in Amer. Naturalist 35 89 The author, like many other writers..has felt the need of a comprehensive term to include both fauna and flora... Biotic would then signify ‘pertaining or treating of a biota,’ as—a biotic publication, a biotic region. 1946 Harper's Mag. Dec. 494/1 Animals are now perceived to exist only as members of a biotic community. 1966 J. Sankey Chalkland Ecol. iii. 27 This tendency of the larger plants to dominate and replace the smaller ones..may be halted resulting in a relatively stable biotic climax called a plagioclimax. 2005 Discover May 37/1 Greater diversity conveys a degree of ‘biotic resistance’, he argued, which helps preserve the integrity of an ecosystem over time. Derivatives ˈbiotically adv. Biology (originally) in terms of vitality; (in later use) in terms of biota; biologically. ΚΠ 1880 F. W. Edmondes Rep. Proc. Church Congr. 37 Biotically, the comparison is equally in favour of the Jews. 1947 Jrnl. Mammalogy 28 150 The upper, eastern slopes of the Sierra Madre Oriental in this region and northwardly belong biotically with the province to the west on account of extreme aridity. 1990 N. Myers Gaia Atlas Future Worlds (1991) 34 Tropical forests are biotically richer than all other biomes, containing between 70 and 95 per cent of Earth's species. 2002 S. J. Gould Struct. Evolutionary Theory ix. 949 Finer analysis of the most famous cases of supposedly gradual, and biotically controlled, events may well require such a punctuational reinterpretation. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). > see alsoalso refers to : -bioticcomb. form < adj.a1614 see also |
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