phytochrome

noun

phy·to·chrome ˈfī-tə-ˌkrōm How to pronounce phytochrome (audio)

: 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

Word History

Etymology

phyto- + -chrome

Note: The term phytochrome was introduced by the American botanist Harry A. Borthwick (1898-1974) and the biochemist Sterling B. Hendricks (1902-81) in 1960, apparently first in an article coauthored with S. Nakayama, "Failure of photoreversible control of flowering in Pharbitis nil," Botanical Gazette, vol. 121, no. 4 (June, 1960), p. 242, and more formally in the article "Photoperiodism in plants," Science, vol. 132, issue 3435 (October 28, 1960), pp. 1223-28.

First Known Use

1960, in the meaning defined above

单词	phytochrome
释义	phytochrome noun phy·to·chrome ˈfī-tə-ˌkrōm : 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 Word History Etymology phyto- + -chrome Note: The term phytochrome was introduced by the American botanist Harry A. Borthwick (1898-1974) and the biochemist Sterling B. Hendricks (1902-81) in 1960, apparently first in an article coauthored with S. Nakayama, "Failure of photoreversible control of flowering in Pharbitis nil," Botanical Gazette, vol. 121, no. 4 (June, 1960), p. 242, and more formally in the article "Photoperiodism in plants," Science, vol. 132, issue 3435 (October 28, 1960), pp. 1223-28. First Known Use 1960, in the meaning defined above
随便看	interfamily interfascicular cambium interfelted interfenestral interfenestration interferant interfere interfere (with) lightproof lightproofer lightproofest lightprooffer lightprooffest lightroom lights lights (on or upon) lights (up) lights (upon) lights into lights on or upon lights out lights up lights upon lights within lights-of-love