subgrade

English

Etymology

sub- +‎ grade

Noun

subgrade (plural subgrades)

The layer of native soil on which the foundation of a road is laid.

Coordinate terms

roadbase

Translations

layer of soil under the road

Chinese:
Mandarin: 路基 (zh) (lùjī)
Czech: podloží (cs) n
Finnish: pohjamaa
Spanish: subrasante f

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