microfossil
mic·ro·fos·sil
noun
1.
a fossil that must be studied microscopically
Origin
From micro- + fossil.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.