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sub·stra·tum
 substratum
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- pronunciation:
- suhb
streI
t
 m
[or]
suhb
strae
tm
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| inflections: |
substrata, substratums |
| definition 1: |
that which forms a bed or layer below something else.
a substratum of gravel- similar words:
- bed
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| definition 2: |
that which underlies or serves as the foundation for something.
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| related words: |
base, basis, bottom, foundation |
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| derivation: |
substratal (adj.) |
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