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 acritarch
OTHER WORDS FROM acritarch
ac·ri·tar·chous, adjectiveWords nearby acritarch
acriflavine,
acriflavine hydrochloride,
acrilan,
acrimonious,
acrimony,
acritarch,
acritical,
acro dance,
acro-,
acroagnosis,
acroanesthesia