microfossil
[ mahy-kroh-fos-il ]
/ ˌmaɪ kroʊˈfɒs ɪl /
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noun
a fossil so small that it can be studied and identified only with a microscope.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for microfossil
microfossil
/ (ˈmaɪkrəʊˌfɒsəl) /
noun
a fossil generally less than 0.5 millimetre in size, such as a protozoan, bacterium, or pollen grain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for microfossil
microfossil
[ mī′krō-fŏs′əl ]
A microscopic fossil, as of a pollen grain or unicellular organism.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.