acritarch

English dictionary entry

Meanings

noun
  1. Any small, non-acid-soluble (i.e. non-carbonate, non-siliceous) organic fossil that cannot be classified.

Pronunciation

/ˈækɹɪtɑː(ɹ)k/

Word forms

acritarch acritarchs

Etymology

From Ancient Greek ἄκριτος (ákritos, “doubtful, indistinguishable”) + -arch.

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