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A fossil, as of a pollen grain or unicellular organism, that is too small to study with the naked eye.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Palaeontology) a fossil generally less than 0.5 millimetre in size, such as a protozoan, bacterium, or pollen grain
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
mi•cro•fos•sil(ˌmaɪ kroʊˈfɒs ɪl)
a fossil so small that it can be studied and identified only with a microscope.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||microfossil - a fossil that must be studied microscopically|
fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil
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