[ mahy-kroh-fos-il ]
/ ˌmaɪ kroʊˈfɒs ɪl /
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a fossil so small that it can be studied and identified only with a microscope.
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The rainy weather could not ________ my elated spirits on my graduation day.
Words nearby microfossil
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for microfossil
/ (ˈmaɪkrəʊˌfɒsəl) /
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for 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.