HyperDic: a-horizon

English > 1 sense of the word A-horizon:
NOUNlocationA-horizon, A horizonthe top layer of a soil profile
English > A-horizon: 1 sense > noun 1, location
MeaningThe top layer of a soil profile; usually contains humus.
SynonymA horizon
Instance ofsoil horizonA layer in a soil profile
Substanceshumuspartially decomposed organic matter

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