microalgae

plural noun

mi·​cro·​algae
¦mīkrō+
: algae (such as diatoms or chlorellas) not visible to the unaided eye
microalgal
"+
adjective

Word History

Etymology

micr- + algae

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of microalgae was in 1869

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Dictionary Entries Near microalgae

Cite this Entry

“Microalgae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microalgae. Accessed 28 Nov. 2022.

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