: one of two or four long hairlike immobile protoplasmic processes extending from the outer surface of each vegetative cell in various colonial algae (as of the genus Tetraspora) and often having a dense mucilaginous sheath that may extend beyond the envelope of the colony

Word History


New Latin, from pseud- + cilium

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Dictionary Entries Near pseudocilium

Cite this Entry

“Pseudocilium.” Dictionary, Merriam-Webster, Accessed 15 Jun. 2024.

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