phytochrome Hear it!

phytochrome Definition

phyto·chrome (fīt′ō krōm′)

noun

a bluish-green plant protein that, in response to variations in red light, regulates the growth of plants

Etymology: phyto- + -chrome

phytochrome Usage Examples

Converse of object

  • call: Strawberries and other plants contain a chemical called phytochrome that tells them whether it is day or night and how long the day is.