trigenicadj.

/trʌɪˈdʒɛnɪk/

Etymology: apparently < tri- comb. form 3b + Greek γένος kind + -ic suffix: the acid was so named by Liebig and Wöhler, 1846, regarding it as the product of three kinds of substances, cyanic acid, aldehyde, and ammonia.

1. Chemistry. In trigenic acid, NH:2(CO.NH):CH.CH₃, also called ethylidene (or ethidene) biuret, as being biuret, NH:2(CO.NH₂), in which two atoms of H are replaced by ethylidene, CH.CH₃; it crystallizes in small prisms, slightly soluble in water.

ΚΠ

1868 H. Watts Dict. Chem. V. 883.

1882 Jrnl. Chem. Soc. 42 168.

2. Genetics. [Compare genic adj.] Involving or controlled by three genes.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > genetic components > [adjective] > gene

genic1915

intragenic1937

intergenic1941

trigenic1941

polygenetic1955

monogenetic1975

multigenic1981

xenogenic-

the world > matter > chemistry > organic chemistry > organic acids > [adjective] > carboxylic acids > miscellaneous others

uramilic acid1839

thioformic1857

phthalic1869

hexonic1894

fumaroid1895

malenoid1895

trigenic1941

1941 K. Mather in Jrnl. Genetics 41 160 Qualitative variation is usually monogenic or digenic in inheritance. Cases of trigenic and tetragenic inheritance are known, but are relatively rare. In contrast with these, quantitative variation may be said to be polygenic, and this term will be adopted.

1979 Experientia 35 172/2 The trigenic ratios have been reported here for the first time for the above-mentioned characters.

This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2021).

单词	trigenic
释义	trigenicadj. /trʌɪˈdʒɛnɪk/ Etymology: apparently < tri- comb. form 3b + Greek γένος kind + -ic suffix: the acid was so named by Liebig and Wöhler, 1846, regarding it as the product of three kinds of substances, cyanic acid, aldehyde, and ammonia. 1. Chemistry. In trigenic acid, NH:2(CO.NH):CH.CH₃, also called ethylidene (or ethidene) biuret, as being biuret, NH:2(CO.NH₂), in which two atoms of H are replaced by ethylidene, CH.CH₃; it crystallizes in small prisms, slightly soluble in water. ΚΠ 1868 H. Watts Dict. Chem. V. 883. 1882 Jrnl. Chem. Soc. 42 168. 2. Genetics. [Compare genic adj.] Involving or controlled by three genes. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [adjective] > gene genic1915 intragenic1937 intergenic1941 trigenic1941 polygenetic1955 monogenetic1975 multigenic1981 xenogenic- the world > matter > chemistry > organic chemistry > organic acids > [adjective] > carboxylic acids > miscellaneous others uramilic acid1839 thioformic1857 phthalic1869 hexonic1894 fumaroid1895 malenoid1895 trigenic1941 1941 K. Mather in Jrnl. Genetics 41 160 Qualitative variation is usually monogenic or digenic in inheritance. Cases of trigenic and tetragenic inheritance are known, but are relatively rare. In contrast with these, quantitative variation may be said to be polygenic, and this term will be adopted. 1979 Experientia 35 172/2 The trigenic ratios have been reported here for the first time for the above-mentioned characters. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2021). < adj.1868
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