Definition of photocycle in English:

photocycle

noun ˈfəʊtəʊˌsʌɪkl

Biochemistry Biology

1A chemical, physiological, or ecological cycle induced by changes in light levels; especially a photoperiodic cycle in plants; a sequence of structural changes that some molecules undergo in response to light.
2A cycle of light and darkness (whether natural or produced experimentally).

1950s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From photo- + cycle.

nounˈfəʊtəʊˌsʌɪkl

Biochemistry Biology

1A chemical, physiological, or ecological cycle induced by changes in light levels; especially a photoperiodic cycle in plants; a sequence of structural changes that some molecules undergo in response to light.
2A cycle of light and darkness (whether natural or produced experimentally).

1950s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From photo- + cycle.

单词	photocycle
释义	Definition of photocycle in English: photocycle noun ˈfəʊtəʊˌsʌɪkl Biochemistry Biology 1A chemical, physiological, or ecological cycle induced by changes in light levels; especially a photoperiodic cycle in plants; a sequence of structural changes that some molecules undergo in response to light. 2A cycle of light and darkness (whether natural or produced experimentally). Origin 1950s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From photo- + cycle. Definition of photocycle in US English: photocycle nounˈfəʊtəʊˌsʌɪkl Biochemistry Biology 1A chemical, physiological, or ecological cycle induced by changes in light levels; especially a photoperiodic cycle in plants; a sequence of structural changes that some molecules undergo in response to light. 2A cycle of light and darkness (whether natural or produced experimentally). Origin 1950s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From photo- + cycle.
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