humic substance

1. 1.

   an organic residue of decaying organic matter

   Broaderorganic compound

   Narrowerfulvic acidhumic acidhumin

Questions about humic substance

What does humic substance mean?

humic substance means "an organic residue of decaying organic matter".

Is humic substance a common word?

humic substance is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.