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achlamydate

[ey-klam-i-deyt, -dit]

adjective Zoology.

not chlamydate; having neither mantle nor pallium.

Origin of achlamydate

First recorded in 1875–80; a-⁶ + chlamydate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019