heliotropism

名词 n.
中文释义

英文释义

名词 n.
  1. The property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light). countable,uncountable
    — As soon as the faintest ray of light reaches a seedling, heliotropism will guide it through any crack in the soil, or through an entangled mass of overlying vegetation; […]

词形变化

heliotropisms plural

词源

Etymology tree
Proto-Indo-European *sóh₂wl̥
Proto-Indo-European *sh₂wél(i)yos
Proto-Hellenic *hāwélios
Ancient Greek ἥλῐος (hḗlĭos)
English helio-
English -tropism
English heliotropism
From helio- + -tropism.
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