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单词 chemotropic
释义

chemotropicadj.

Brit. /ˌkiːmə(ʊ)ˈtrɒpɪk/, /ˌkɛmə(ʊ)ˈtrɒpɪk/, /ˌkiːmə(ʊ)ˈtrəʊpɪk/, /ˌkɛmə(ʊ)ˈtrəʊpɪk/, U.S. /ˌkimoʊˈtrɑpɪk/, /ˌkɛmoʊˈtrɑpɪk/
Forms: 1800s– chemotropic, 1900s– chemiotropic.
Origin: Formed within English, by compounding. Etymons: chemo- comb. form, -tropic comb. form.
Etymology: < chemo- comb. form + -tropic comb. form, after chemotropism n. Compare German chemotropisch (Verworn 1889, in the source cited at chemotropism n.), French chimiotropique (1899 or earlier).
Biology.
Of or relating to chemotropism; involving or exhibiting chemotropism.
ΘΚΠ
the world > life > biology > biological processes > movement > movement in response to stimuli > [adjective] > response to chemical
chemotactic1888
chemotropic1895
chemotaxic1896
chemokinetic1901
chemotrophic1902
chemotactical1908
1895 M. Campbell tr. O. Hertwig Cell iv. 115 Chemotropic movements [Ger. die chemotropischen Bewegungen] may be directed towards the stimulating source, or, on the contrary, away from it.
1898 H. C. Porter tr. E. Strasburger et al. Text-bk. Bot. 263 Roots, fungus hyphæ, and pollen tubes exhibit positive and negative chemotropic curvatures.
1918 Lancet 20 Apr. 578/2 Which substances [secreted by the sheath of Schwann] exercise a chemiotropic action on young axones and so orient them into the appropriate channels.
1959 Chambers's Encycl. VI. 612/1 Fertilization in many plants is controlled by chemotropic action.
2004 Jrnl. Cell Biol. 165 102/1 The..mutant cells respond to pheromone, but their chemotropic response is compromised.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).
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adj.1895
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