yellowgreen algae

yellow-green algae

noun Biology.
a group of common single-celled and colonial algae of the phylum Chrysophyta, having mostly yellow and green pigments, occurring in soil and on moist rocks and vegetation and also as a slime or scum on ponds and stagnant waters.
Also, yellow green algae.


Origin:
1925–30

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
yellow-green algae

noun
any alga of the division Chrysophyta with its chlorophyll masked by yellow pigment 
WordNet® 3.0, © 2006 by Princeton University.
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