Definition of phototropy in English:

phototropy

noun fəʊˈtɒtrəpi

1Biology= "phototropism". Now rare.
2Chemistry= "photochromism".

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From photo- + -tropy; in sense 1 probably after phototropic; compare also German Phototropie.

Definition of phototropy in US English:

phototropy

nounfəʊˈtɒtrəpi

1Biology= "phototropism". Now rare.
2Chemistry= "photochromism".

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From photo- + -tropy; in sense 1 probably after phototropic; compare also German Phototropie.

词汇	phototropy
释义	Definition of phototropy in English: phototropy noun fəʊˈtɒtrəpi 1Biology= "phototropism". Now rare. 2Chemistry= "photochromism". Origin Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From photo- + -tropy; in sense 1 probably after phototropic; compare also German Phototropie. Definition of phototropy in US English: phototropy nounfəʊˈtɒtrəpi 1Biology= "phototropism". Now rare. 2Chemistry= "photochromism". Origin Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From photo- + -tropy; in sense 1 probably after phototropic; compare also German Phototropie.
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