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单词 phycochrome
释义

Definition of phycochrome in English:

phycochrome

noun ˈfʌɪkəkrəʊm
  • In early use: a blue-green pigment (believed to be a combination of chlorophyll and phycocyan) present in blue-green and certain other algae. Later: any photoconvertible pigment (phycocyanin, phycoerythrin, etc.) present in algae and cyanobacteria (blue-green algae).

Origin

Mid 19th century; earliest use found in Quarterly Journal of Microscopical Science. From phyco- + -chrome, after German Phycochrom. With sense 1 compare French phycochrome.

Definition of phycochrome in US English:

phycochrome

nounˈfʌɪkəkrəʊm
  • In early use: a blue-green pigment (believed to be a combination of chlorophyll and phycocyan) present in blue-green and certain other algae. Later: any photoconvertible pigment (phycocyanin, phycoerythrin, etc.) present in algae and cyanobacteria (blue-green algae).

Origin

Mid 19th century; earliest use found in Quarterly Journal of Microscopical Science. From phyco- + -chrome, after German Phycochrom. With sense 1 compare French phycochrome.

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更新时间:2025/6/19 21:58:38