单词 | electrotropism |
释义 | > as lemmaselectrotropism electrotropism n. Brit. /ᵻˌlɛkˈtrɒtrəpɪz(ə)m/ , U.S. /əˌlɛkˈtrɑtrəˌpɪz(ə)m/ , /iˌlɛkˈtrɑtrəˌpɪz(ə)m/ [after German Elektrotropismus (R. Hegler 1891, in Verhandl. der Ges. deutsch. Naturforscher u. Ärzte 110)] responsiveness or sensitivity to an electrical stimulus; spec. (Botany) change in the direction of growth (of a plant or plant part) in response to an electrical stimulus; cf. galvanotropism n.ΚΠ 1898 H. C. Porter tr. E. Strasburger et al. Text-bk. Bot. Index 613/2 Electrotropism. 1939 R. J. Hartman Colloid Chem. xxiv. 517 Galvanotropism, or electrotropism, is the growth of organisms toward an electrical charge provided, usually, by an electrostatic field. 1993 Plant Physiol. 101 1110/2 Because the direction of root curvature was just the opposite..field strength rather than current density must be the dominating parameter in electrotropism. < as lemmas |
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