noun
Glaucophyta
A phylum of freshwater microscopic algae. Technical biological term.
灰色植物門は淡水に生息する微細藻類の一群である。
Glaucophyta is a group of microscopic algae that inhabit freshwater.
The term is a Japanese calque of the scientific name Glaucophyta, composed of 灰色 (gray) + 植物 (plant) + 門 (phylum).