microfossil

[ mahy-kroh-fos-il ]
/ ˌmaɪ kroʊˈfɒs ɪl /

noun

a fossil so small that it can be studied and identified only with a microscope.

Nearby words

  1. microfilm,
  2. microfilm plotter,
  3. microfilter,
  4. microflora,
  5. microform,
  6. microgamete,
  7. microgametocyte,
  8. microgametophyte,
  9. microgastria,
  10. microgeneration

Compare macrofossil.

Origin of microfossil

First recorded in 1920–25; micro- + fossil

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for microfossil

microfossil

[ mīkrō-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.