We found 28 dictionaries that define the word Substratum:

General (23 matching dictionaries)

1. substratum: Longman Dictionary of Contemporary English
2. substratum: Merriam-Webster
3. substratum: Oxford Learner's Dictionaries
4. substratum: American Heritage Dictionary of the English Language
5. substratum: Collins English Dictionary
6. substratum: Vocabulary.com
7. substratum: Wordnik
8. substratum: Wiktionary
9. substratum: Webster's New World College Dictionary, 4th Ed.
10. substratum: The Wordsmyth English Dictionary-Thesaurus
11. substratum: Infoplease Dictionary
12. substratum: Dictionary.com
13. Substratum (linguistics), Substratum: Wikipedia, the Free Encyclopedia
14. Substratum: Online Plain Text English Dictionary
15. substratum: Webster's Revised Unabridged, 1913 Edition
16. substratum: Rhymezone
17. Substratum: AllWords.com Multi-Lingual Dictionary
18. substratum: Webster's 1828 Dictionary
19. substratum: FreeDictionary.org
20. substratum: Mnemonic Dictionary
21. substratum: TheFreeDictionary.com

Computing (1 matching dictionary)

22. Substratum (linguistics), substratum: Encyclopedia

Medicine (3 matching dictionaries)

23. substratum: Merriam-Webster Medical Dictionary
24. online medical dictionary (No longer online)
25. Substratum (linguistics), substratum: Medical dictionary

Science (1 matching dictionary)

26. Botanical Terms (No longer online)

(Note: See substrata as well.)

Definitions from Wiktionary (substratum) ▸ noun:  A layer that lies underneath another. ▸ noun:  (figuratively) The underlying cause or basis of something. ▸ noun:  (linguistics) A substrate. Similar: substrate, underlay, underlayer, sublayer, overstratum, understratum, subsurface, superstratum, subterrain, subsoil, more... Opposite: superstratum Phrases: linguistic substratum, substratum (linguistics), Substratum in Vedic Sanskrit, more... Adjectives: common, solid, physical, underlying, permanent, suitable, hard, biological, real, anatomical, rocky Colors:     brown,     beige,     taupe,     olive,     umber, more... ▸ Words similar to Substratum ▸ Usage examples for Substratum ▸ Idioms related to Substratum ▸ Wikipedia articles (New!) ▸ Popular adjectives describing Substratum ▸ Words that often appear near Substratum ▸ Rhymes of Substratum ▸ Invented words related to Substratum