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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.
Origin of yellow-green algae
1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for yellow-green algae
  • Diatoms, for example, are a group of yellow-green algae with finely sculptured shells.

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