| 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 acritarch1963; <New Latin Acritarcha (neuter plural), irregular <Greek ákrit(os) confused, doubtful (see a-6, critic) + archḗ beginning, origin (cf. archi-) OTHER WORDS FROM acritarchac·ri·tar·chous, adjectiveWords nearby acritarchacriflavine, 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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