Noun, verb
2. Definitions:Noun: A small, raised ridge or bump on a surface, especially on metal or wood.
Verb: To make knurls or ridges on (a surface).
3. Pronunciations:US: /nərl/
UK: /nɜːl/
4. Origin and Usage:The word "knurl" originated in the early 19th century from the Old Norse word "knarr" meaning "knot". It is commonly used in the metalworking and woodworking industries to describe a small, raised ridge or bump on a surface. The verb form of "knurl" is used to describe the process of creating these ridges or bumps on a surface.
5. Synonyms:Notched, serrated, ridged, bumpy, rough, uneven
6. Related Words:Knobs, knots, curls, swirl, whorl
7. Example Sentences:Noun: The knurl on the metal surface provided a better grip for the user.
Verb: He used a knurling tool to knurl the surface of the metal rod.