biostratigraphy

[bahy-oh-struh-tig-ruh-fee]

bi·o·stra·tig·ra·phy

[bahy-oh-struh-tig-ruh-fee]
noun
a branch of geology dealing with the differentiation of sedimentary rock units on the basis of the fossils they contain.

Origin:
bio- + stratigraphy

bi·o·strat·i·graph·ic [bahy-oh-strat-i-graf-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Biostratigraphy has a plethora of syllables.
So is floccinaucinihilipilification. Does it mean:
the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
American Heritage
Science Dictionary
biostratigraphy   (bī'ō-strə-tĭg'rə-fē)  Pronunciation Key 
The study and categorization of rock strata based on their fossil content and distribution. Biostratigraphic data are often considered together with radiometric and paleoenvironmental data as a means of dating rock strata. Compare lithostratigraphy.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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