Dictionary.com

substratum

[ suhb-strey-tuhm, -strat-uhm, suhb-strey-tuhm, -strat-uhm ]
/ ˈsʌbˌstreɪ təm, -ˌstræt əm, sʌbˈstreɪ təm, -ˈstræt əm /
Save This Word!

noun, plural sub·stra·ta [suhb-strey-tuh, -strat-uh, -suhb-strey-tuh, -strat-uh], /ˈsʌbˌstreɪ tə, -ˌstræt ə, -sʌbˈstreɪ tə, -ˈstræt ə/, sub·stra·tums.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help
Compare superstratum.

Origin of substratum

From New Latin, dating back to 1625–35; see origin at sub-, stratum

OTHER WORDS FROM substratum

sub·stra·tive, sub·stra·tal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use substratum in a sentence

British Dictionary definitions for substratum

substratum
/ (sʌbˈstrɑːtəm, -ˈstreɪ-) /

noun plural -strata (-ˈstrɑːtə, -ˈstreɪtə)

Derived forms of substratum

substrative or substratal, adjective

Word Origin for substratum

C17: from New Latin, from Latin substrātus strewn beneath, from substernere to spread under, from sub- + sternere to spread
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 substratum

substratum
[ sŭbstrā′təm, -străt′əm ]

Plural substrata substratums
An underlying layer or stratum.
A surface on which an organism grows or is attached; a substrate.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK