understratum


Also found in: Medical.

un·der·stra·tum

 (ŭn′dər-strā′təm, -străt′əm)
n. pl. un·der·stra·ta (-strā′tə, -străt′ə) or un·der·stra·tums
A substratum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

understratum

(ˈʌndəˌstrɑːtəm)
n, pl -ta (-tə) or -tums
(Physical Geography) the layer of soil underneath the soil on the surface; a substratum or subsoil
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The vast understratum of the people, however, will continue to gratify their tastes and impulses, irrespective of the tone of polished society (so called).
marriage without an understratum of bargaining where the parties see
Then, after all is said about dress and other outside observances, we revert back to our theory of the other final understratum of warmth, health, comfort, and any other bodily perfection, viz., good blood--all sound inside.