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.

QUIZZES

CAN YOU GUESS THESE WORDS FROM AROUND THE US?

American English is not always as it appears to be ... get to know regional words in this quiz!
Question 1 of 10
A bet is synonymous with a wager, but what does it mean in New York?

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020