kerf 
(kûrf)
(kûrf)n.
1. A groove or notch made by a cutting tool, such as a saw or an axe.
2. The width of a groove made by a cutting tool.
[Middle English, from Old English cyrf, a cutting; see gerbh- in the Appendix of Indo-European roots.]
- sodium cyclamate
- sodium dichromate
- sodium fluoride
- sodium glutamate
- sodium hydrosulfite
- sodium hydroxide
- sodium hypochlorite
- sodium hyposulfite
- sodium lauryl sulfate
- sodium nitrate
- sodium perborate
- sodium peroxide
- sodium phosphate
- sodium-potassium pump
- sodium propionate
- sodium silicate
- sodium sulfate
- sodium sulfide
- sodium sulfite
- sodium thiopental
- sodium thiosulfate
- sodium tripolyphosphate
- sodium vapor lamp
- sod off
- Sodom