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词汇 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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