| soil texture | The relative proportions of the various sizes of particles (silt, sand and clay) in a soil. (09 Oct 1997) |
|---|---|
| soil value | The relative lightness or intensity of colour, approximately a function of the square root of the total amount of light, one of the three variables of colour. (09 Oct 1997) |
| SOI | a vertical section of soil from the ground surface to the parent rock |
|---|---|
| SOI | soiled or likely to soil with dirt or grime |
| SOI | the act of soiling something |
| SOI | the act of soiling something |
| SOI | a party of people assembled in the evening (usually at a private house) |
| SOI | a soiree assembled for the purpose of listening to music |
| SOI | a battle in World War I (May 1918) |
| SOI | oral sex practiced simultaneously by two people |