1. A blackish-brown powder formed by the action of the air on animal or vegetable matter.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• humit,
• himis,
• huamns,
• humrous,
• humasn,
• hummm,
• murmus,
• thums,
• himup,
• hummous,
• humal,
• humar,
• humad,
• humis,
• humeous,
• humam,
• hesus,
• homus,
• humnas,
• humot

• hums,
• humors,
• humous,
• hummus,
• HEMS,
• hummock,
• humes.

The adjective form of the word "humus" is "humic".

The plural form of the word "humus" is "humuses" or "humi".

The singular form of the word "humus" is also "humus".