accessory pigment

noun

Definition of accessory pigment

  1. :  any of various pigments (such as carotenoids and phycobilins) that are found in photosynthetic cells and absorb light of wavelengths not absorbed by chlorophyll a Algae at deep regions receive mostly green and blue light and must have special accessory pigments capable of absorbing these wavelengths efficiently. — James D. Mauseth, Botany: An Introduction to Plant Biology, 2009 The light energy absorbed by accessory pigments must be transferred to chlorophyll a before it can be used in photosynthesis.

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Circa 1893

First Known Use of accessory pigment

circa 1893


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