tropholyticadj.

Brit.

/ˌtrɒfəˈlɪtɪk/,

/ˌtrəʊfəˈlɪtɪk/, U.S.

/ˌtrɑfəˈlɪdɪk/,

/ˌtroʊfəˈlɪdɪk/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: tropho- comb. form, -lytic comb. form.

Etymology: < tropho- comb. form + -lytic comb. form, after German tropholytisch (in sense 1, M. Pfaundler & E. Moro 1907, in Zeitschrift f. exper. Pathol. u. Therapie 453 (after Tropholyse enzymatic digestion of food: 1907 on page 452 of the same paper); in sense 2, 1926 or earlier in works by A. Thienemann). With sense 2, compare slightly earlier trophogenic adj. 2.

1. Involved in the digestion and absorption of food. disused. rare.

ΚΠ

1908 Med. Chron. 48 180 Tropholysis or the mechanism by which the nutritive substances are assimilated to the protoplasmic molecule is presumably analogous to that of haemolysis and bacteriolysis. We may thus conceive of a tropholytic receptor and a tropholytic complement.

2. Ecology. Of a layer or zone of standing water, esp. in a lake: characterized by the consumption or decomposition of organic nutrients and oxygen produced by photosynthesis. Cf. trophogenic adj. 2.

ΘΚΠ

the world > life > biology > balance of nature > environment or habitat > [adjective] > conditions of

waterish1579

supralittoral1839

trophic1902

thermostabile1908

oligotrophic1911

saprobic1913

mosaic1919

mesic1926

xeric1926

trophogenic1930

tropholytic1931

saprobiotic1940

oligotropic1948

saprotrophic1948

mixohaline1959

thermoneutral1961

eutrophicated1967

1931 Archiv für Hydrobiologie 22 497 Assuming that epilimnion is the trophogenous and hypolimnion the tropholytic zone in the sense of Thienemann (1928) we have three lakes all producing the same amount of organic substance in epilimnion.

1957 G. E. Hutchinson Treat. Limnol. I. ix. 583 Oxygen, produced by photosynthesis in the trophogenic layers of the lake, and methane, produced by anaerobic decomposition in the tropholytic layers.

1975 G. A. Cole Textbk. Limnol. ii. 10/1 Below the trophogenic layer is a darker tropholytic region..where respiration and decomposition predominate.

2007 W. Lampert & U. Sommer Limnoecol. (ed. 2) vii. 225/2 Streams are not divided into vertical zones, since there are no distinct trophogenic and tropholytic zones that are defined by light as in lakes.

This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	tropholytic
释义	tropholyticadj. Brit. /ˌtrɒfəˈlɪtɪk/, /ˌtrəʊfəˈlɪtɪk/, U.S. /ˌtrɑfəˈlɪdɪk/, /ˌtroʊfəˈlɪdɪk/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: tropho- comb. form, -lytic comb. form. Etymology: < tropho- comb. form + -lytic comb. form, after German tropholytisch (in sense 1, M. Pfaundler & E. Moro 1907, in Zeitschrift f. exper. Pathol. u. Therapie 453 (after Tropholyse enzymatic digestion of food: 1907 on page 452 of the same paper); in sense 2, 1926 or earlier in works by A. Thienemann). With sense 2, compare slightly earlier trophogenic adj. 2. 1. Involved in the digestion and absorption of food. disused. rare. ΚΠ 1908 Med. Chron. 48 180 Tropholysis or the mechanism by which the nutritive substances are assimilated to the protoplasmic molecule is presumably analogous to that of haemolysis and bacteriolysis. We may thus conceive of a tropholytic receptor and a tropholytic complement. 2. Ecology. Of a layer or zone of standing water, esp. in a lake: characterized by the consumption or decomposition of organic nutrients and oxygen produced by photosynthesis. Cf. trophogenic adj. 2. ΘΚΠ the world > life > biology > balance of nature > environment or habitat > [adjective] > conditions of waterish1579 supralittoral1839 trophic1902 thermostabile1908 oligotrophic1911 saprobic1913 mosaic1919 mesic1926 xeric1926 trophogenic1930 tropholytic1931 saprobiotic1940 oligotropic1948 saprotrophic1948 mixohaline1959 thermoneutral1961 eutrophicated1967 1931 Archiv für Hydrobiologie 22 497 Assuming that epilimnion is the trophogenous and hypolimnion the tropholytic zone in the sense of Thienemann (1928) we have three lakes all producing the same amount of organic substance in epilimnion. 1957 G. E. Hutchinson Treat. Limnol. I. ix. 583 Oxygen, produced by photosynthesis in the trophogenic layers of the lake, and methane, produced by anaerobic decomposition in the tropholytic layers. 1975 G. A. Cole Textbk. Limnol. ii. 10/1 Below the trophogenic layer is a darker tropholytic region..where respiration and decomposition predominate. 2007 W. Lampert & U. Sommer Limnoecol. (ed. 2) vii. 225/2 Streams are not divided into vertical zones, since there are no distinct trophogenic and tropholytic zones that are defined by light as in lakes. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < adj.1908
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