acritarch

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English

Etymology

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

Pronunciation

  • IPA(key): /ˈækɹɪtɑː(ɹ)k/

Noun

acritarch (plural acritarchs)

  1. (paleontology, palynology) Any small, non-acid-soluble (i.e. non-carbonate, non-siliceous) organic fossil that cannot be classified.
    • 2018, Mark Carnall, “Unidentifiable fossils: palaeontological problematica”, in The Guardian‎:
      Acritarchs represent some of the earliest evidence of life on Earth.

Translations

See also

Wikious
Boobota
Sagapedia