In the soil, etc.: An unctuous substance; an unctuous layer or deposit. Obsolete.
| 单词 | θ6124 | 
| 释义 | the world > the earth > structure of the earth > constituent materials > earth or soil > 			[noun]		 > soil substances (3)		 fatness1577 In the soil, etc.: An unctuous substance; an unctuous layer or deposit. Obsolete. soil colloid1915 a substance present in the soil as a colloid, i.e. in the form of very small particles. plasma1938 Soil Science. The colloidal or relatively soluble material between grains of a soil.  | 
	
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