underbed
Definitions
An underlying base that supports a bed or foundation.
Examples
“It has an underbed of slate and a cover⟳ of hard shales which contains seams of sandstone and form⟳ a bluff.”
“An underbed is necessary in unbonded cementitious installations and may be required in some bonded ones.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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