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单词 acritarch
释义

acritarch

[ ak-ri-tahrk ]
/ ˈæk rɪˌtɑrk /

noun Paleontology.

any of various microfossils, of unknown biological affinities, having a central cavity enclosed by a wall of chiefly organic composition.

Origin of acritarch

1963; <New Latin Acritarcha (neuter plural), irregular <Greek ákrit(os) confused, doubtful (see a-6, critic) + archḗ beginning, origin (cf. archi-)

OTHER WORDS FROM acritarch

ac·ri·tar·chous, adjective

Words nearby acritarch

acriflavine, acriflavine hydrochloride, Acrilan, acrimonious, acrimony, acritarch, acritical, acro-, acroagnosis, acroanesthesia, acroataxia
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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