from The Century Dictionary and Cyclopedia
- n. The red coloring-matter of the eye-spot or stigma of the Flagellata and other Protozoa.
- n. The red coloring-matter of Sphærella and a few other algæ. It is contained in an oily solution instead of a chromatophore.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a reddish coloring material found in some algae
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