heterogonicadj.

/ˌhɛtərəʊˈɡɒnɪk/

Etymology: < heterogon- (in heterogony n.) + -ic suffix; in sense 1 < French hétérogonique (A. Pézard 1918, in Bull. biol. de la France et de la Belg. LII. 25).

1. = allometric adj.

ΘΚΠ

the world > life > biology > biological processes > development, growth, or degeneration > [adjective] > growth > rates of growth

allometric1911

heterogonic1924

isogonic1924

isometric1950

1924 Nature 20 Dec. 895/1 Whereas in the male the ratio abdomen-breadth: carapace-breadth remained constant, in the female it increased continuously... Pézard (1918) has styled the growth of such an organ heterogonic.

1935 Nature 14 Sept. 433/2 Heterogonic growth clearly involves a regularly continuous change of proportions.

1964 H. W. Manner Elem. Compar. Vertebr. Embryol. xi. 216 Differential growth is referred to as heterogonic growth.

2. Exhibiting heterogony (sense 1b); applied to a life-cycle in which free-living organisms alternate with parasites, and to the free-living generation of such a cycle.

ΘΚΠ

the world > life > biology > biological processes > development, growth, or degeneration > [adjective] > phase or type of life cycle

retrograde1850

photophobe1897

heterogonic1926

homogonic1926

macrocyclic1926

scotophil1949

scotophilic1960

1926 J. H. Sandground in Amer. Jrnl. Hygiene 6 338 In the genus Strongyloides [of nematodes] heterogony may be involved in the life-cycle, but in many instances there is only one multiplicative generation and this mode of development has been called direct or, if we may introduce a new term to express this, homogonic in contradistinction to heterogonic or indirect.

1936 Amer. Jrnl. Hygiene 24 83 No obvious necessity for the interpolation of a heterogonic generation in the reproductive cycle of S. ratti has manifested itself.

1951 L. H. Hyman Invertebrates III. xiii. 304 The eggs..may develop into free-living males and females, the offspring of which proceed to the parasitic phase so that the cycle is indirect or heterogonic.

Derivatives

ˌheteroˈgonically adv.

ΚΠ

1932 J. S. Huxley Probl. Relative Growth ii. ii. 53 The trunk grows heterogonically with reference to the head.

This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).

单词	heterogonic
释义	heterogonicadj. /ˌhɛtərəʊˈɡɒnɪk/ Etymology: < heterogon- (in heterogony n.) + -ic suffix; in sense 1 < French hétérogonique (A. Pézard 1918, in Bull. biol. de la France et de la Belg. LII. 25). 1. = allometric adj. ΘΚΠ the world > life > biology > biological processes > development, growth, or degeneration > [adjective] > growth > rates of growth allometric1911 heterogonic1924 isogonic1924 isometric1950 1924 Nature 20 Dec. 895/1 Whereas in the male the ratio abdomen-breadth: carapace-breadth remained constant, in the female it increased continuously... Pézard (1918) has styled the growth of such an organ heterogonic. 1935 Nature 14 Sept. 433/2 Heterogonic growth clearly involves a regularly continuous change of proportions. 1964 H. W. Manner Elem. Compar. Vertebr. Embryol. xi. 216 Differential growth is referred to as heterogonic growth. 2. Exhibiting heterogony (sense 1b); applied to a life-cycle in which free-living organisms alternate with parasites, and to the free-living generation of such a cycle. ΘΚΠ the world > life > biology > biological processes > development, growth, or degeneration > [adjective] > phase or type of life cycle retrograde1850 photophobe1897 heterogonic1926 homogonic1926 macrocyclic1926 scotophil1949 scotophilic1960 1926 J. H. Sandground in Amer. Jrnl. Hygiene 6 338 In the genus Strongyloides [of nematodes] heterogony may be involved in the life-cycle, but in many instances there is only one multiplicative generation and this mode of development has been called direct or, if we may introduce a new term to express this, homogonic in contradistinction to heterogonic or indirect. 1936 Amer. Jrnl. Hygiene 24 83 No obvious necessity for the interpolation of a heterogonic generation in the reproductive cycle of S. ratti has manifested itself. 1951 L. H. Hyman Invertebrates III. xiii. 304 The eggs..may develop into free-living males and females, the offspring of which proceed to the parasitic phase so that the cycle is indirect or heterogonic. Derivatives ˌheteroˈgonically adv. ΚΠ 1932 J. S. Huxley Probl. Relative Growth ii. ii. 53 The trunk grows heterogonically with reference to the head. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018). < adj.1924
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