| humus definitions |
| # | Definition | Sets |
| 1 | material formed from decaying leaves and other organic matter | 25 sets |
| 2 | rich, dark organic material formed by decay of vegetable matter, essential to soil's fertility | 24 sets |
| 3 | substance formed by decaying vegetable matter | 16 sets |
| 4 | partially decomposed organic matter | 12 sets |
| 5 | decayed plant or animal matter | 12 sets |
| 6 | dark soil that contains decaying remains of plants and animals | 10 sets |
| 7 | n. fertilizer; black soil for fertilizing | 10 sets |
| 8 | substance or rich soil formed by decaying vegetable matter; cf. soil | 9 sets |
| 9 | ground | 8 sets |
| 10 | decomposing organic material found in topsoil. | 8 sets |
| 11 | dark-colored organic material in soil. | 8 sets |
| 12 | decaying plant and animal matter | 8 sets |
| 13 | leftover decomposed plant and animal matter | 7 sets |
| 14 | organic, dark material remaining after decomposition by microorganisms | 7 sets |
| 15 | decayed organic matter | 7 sets |
| 16 | organic material in soil | 7 sets |
| 17 | a material formed from decaying leaves and other organic matter that makes soil fertile | 6 sets |
| 18 | topsoil | 6 sets |
| 19 | rich, dark organic material formed by decay of vegetable matter, essential to soil's fertility. | 6 sets |
| 20 | decaying plant and animal material | 5 sets |
| 21 | decomposing organic material found in topsoil | 5 sets |
| 22 | dark-colored organic material in soil | 5 sets |
| 23 | sticky, brown, insoluble residue from the bodies of dead plants and animals; gives soil its structure, coating mineral particles and holding them together; serves as a major source of plant nutrients | 5 sets |
| 24 | earth | 5 sets |
| 25 | soil | 4 sets |
| 26 | the organic part of soil | 4 sets |
| 27 | the decayed remains of plant and animal matter in soil | 4 sets |
| 28 | latin: earth | 4 sets |
| 29 | black soil for fertilizing | 4 sets |
| 30 | dark, organic material formed in soil from the decayed remains of plants and animals | 3 sets |
| 31 | on the ground | 3 sets |
| 32 | rich, dark organic material formed by decay or begetable matter; essential to soil's fertility. | 3 sets |
| 33 | fertilizer | 3 sets |
| 34 | rich dark organic material formed by decay of vegetable matter | 3 sets |
| 35 | rotting plant and animal materials that are part of topsoil. | 3 sets |
| 36 | a material found in decaying leaves | 3 sets |
| 37 | dark colored substance that forms as plant and animal remains decay | 3 sets |
| 38 | substance or rich soil formed by decaying vegetable matter | 3 sets |
| 39 | loam, earth, compost, soil | 3 sets |
| 40 | broken down plant and animal material | 3 sets |