mollisolPronunciation: /ˈmɒlɪsɒl/Definition of mollisol noun Soil Science a soil of an order comprising temperate grassland soils with a dark, humus-rich surface layer containing high concentrations of calcium and magnesium. Origin: 1960s: from Latin mollis 'soft' + solum 'ground, soil'mollisol in other Oxford dictionaries Definition of mollisol in the US English dictionary
