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phytochrome

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noun phy·to·chrome \ˈfī-tə-ˌkrōm\

Definition of phytochrome

  1. :  any of a group of proteins bound to light-absorbing pigments in many plants that play a role in initiating floral and developmental processes when activated by red or near-infrared radiation



1960

First Known Use of phytochrome

1960


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