First Known Use: 1963
Dictionary
acritarch
noun ac·ri·tarch \ˈa-kri-ˌtärk\
Definition of ACRITARCH
: any of a group of fossil one-celled marine planktonic organisms of uncertain and possibly various taxonomic affinities held to represent the earliest known eukaryotes
ADVERTISEMENT
Origin of ACRITARCH
Rhymes with ACRITARCH
accent mark, antiquark, cutty sark, deutsche mark, disembark, double-park, great white shark, hierarch, Joan of Arc, make one's mark, matriarch, meadowlark, metalmark, minipark, oligarch, paperbark, patriarch, Plimsoll mark, question mark, service mark, stringybark, telemark, thresher shark, tiger shark, trierarch, watermark, water park
Learn More About ACRITARCH
Browse
ADVERTISEMENT
Seen & Heard
What made you want to look up acritarch? Please tell us where you read or heard it (including the quote, if possible).