[ struh-tig-ruh-fee ]
/ strəˈtɪg rə fi /


a branch of geology dealing with the classification, nomenclature, correlation, and interpretation of stratified rocks.

Origin of stratigraphy

First recorded in 1860–65; strati- + -graphy

OTHER WORDS FROM stratigraphy

stra·tig·ra·pher, stra·tig·ra·phist, nounstrat·i·graph·ic [strat-i-graf-ik], /ˌstræt ɪˈgræf ɪk/, strat·i·graph·i·cal, adjectivestrat·i·graph·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for stratigraphy

British Dictionary definitions for stratigraphy

/ (strəˈtɪɡrəfɪ) /


the study of the composition, relative positions, etc, of rock strata in order to determine their geological historyAbbreviation: stratig
archaeol a vertical section through the earth showing the relative positions of the human artefacts and therefore the chronology of successive levels of occupation

Derived forms of stratigraphy

stratigrapher (strəˈtɪɡrəfə) or stratigraphist (strəˈtɪɡrəfɪst), nounstratigraphic (ˌstrætɪˈɡræfɪk) or stratigraphical, adjective
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

Medical definitions for stratigraphy

[ strə-tĭgrə-fē ]



Other words from stratigraphy

strat′i•graphic (străt′ĭ-grăfĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for stratigraphy

[ strə-tĭgrə-fē ]

The scientific study of rock strata, especially the distribution, deposition, correlation, and age of sedimentary rocks.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.