[ struh-tig-ruh-fee ]

  1. 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, noun
  • strat·i·graph·ic [strat-i-graf-ik], /ˌstræt ɪˈgræf ɪk/, strat·i·graph·i·cal, adjective
  • strat·i·graph·i·cal·ly, adverb

Words Nearby stratigraphy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use stratigraphy in a sentence

British Dictionary definitions for stratigraphy


/ (strəˈtɪɡrəfɪ) /

  1. the study of the composition, relative positions, etc, of rock strata in order to determine their geological history: Abbreviation: stratig

  2. 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), noun
  • stratigraphic (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

Scientific definitions for stratigraphy


[ strə-tĭgrə-fē ]

  1. 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.