so·lum (s  l m)n. pl. so·la (-l ) or so·lums The upper layers of a soil profile in which topsoil formation occurs. [Latin, base, ground.] |
solum [ˈsəʊləm]
n pl -lums, -la [-lə]
(Earth Sciences / Physical Geography) the upper layers of the soil profile, affected by climate and vegetation.
[New Latin from Latin: the ground]
| solum (slm) Plural sola or solums The upper layers of a soil profile in which soil formation occurs. The A and B horizons in an ABC soil are part of the solum. |
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