# microalga

> English word · Noun

## Definitions
1. Any of many microscopic photosynthetic protists, often living as single cells and floating as plankton.

## Etymology
From micro- (“small”) + alga.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/microalga