| 单词 |
heterogony |
| 释义 |
heteˈrogony
[f. prec. + -y3.]
1. a. Bot. and Biol. = heterogonism.
1870Rolleston Anim. Life Introd. 126 A series of phenomena..which has been spoken of as ‘Digenesis with Heterogony.’
b. Biol. Alternation of generations, esp. of a diœcious and a hermaphroditic generation.
1906P. Falcke tr. Braun's Anim. Parasites Man 273 In a number of Nematodes..heterogony occurs. 1908Beattie & Dickson Textbk. Gen. Path. vi. 395 In other nematodes what is known as Heterogony occurs, in which there may be alteration [ed. 2, 1921, alternation] of fully developed sexual generations. 1936Nature 9 May 780 Heterogony has been widely used to denote a certain type of reproductive cycle.
2. Biol. = allometry.
1927Jrnl. Genetics XVII. 309 (heading) Discontinuous variation and heterogony in Forficula. 1938[see allometry].
3. Phr. heterogony of ends: a principle enunciated by Wundt (Ethik 1886), according to which the development of religion and of codes of moral and social behaviour produced results that are to be distinguished from the cause of the development and were not intended at its outset; e.g. moral customs are regarded as (unforeseen) outgrowths from religious ceremonial.
1887Mind XII. 286 The most general results of the author's [sc. Wundt's] investigation are a ‘law of three stages’ of moral development and a ‘law of the heterogony of ends’. 1897J. H. Gulliver et al. tr. Wundt's Ethik I. 330 The law of the heterogony of ends. We mean to express by this name what is a matter of universal experience: that manifestations of will, over the whole range of man's free voluntary actions, are always of such a character that the effects of the actions extend more or less widely beyond the original motives of volition, so that new motives are originated for future actions, and again, in their turn, produce new effects. 1911Encycl. Brit. XVIII. 241/2 Each particular will is directed to particular ends, but..beyond these ends effects follow as unexpected consequences, and..this heterogony produces social effects which we call custom. |
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单词 heterogonous 释义 heterogonous, a.|-gns|[f. as heterogone a. + -ous.]1. Bot. Having i......