Dictionary.com
definitions

interstratify

[in-ter-strat-uh-fahy]
verb (used without object), in·ter·strat·i·fied, in·ter·strat·i·fy·ing.
  1. to lie in interposed or alternate strata.
verb (used with object), in·ter·strat·i·fied, in·ter·strat·i·fy·ing.
  1. to interlay with or interpose between other strata.
  2. to arrange in alternate strata.

Origin of interstratify

First recorded in 1815–25; inter- + stratify
Related formsin·ter·strat·i·fi·ca·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for interstratify

interstratify

verb -fies, -fying or -fied
  1. (tr; usually passive) to arrange (a series of rock strata) in alternating beds
Derived Formsinterstratification, noun
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