rock bit

1. 1.

   a drill bit that has hardened rotating rollers

   Synonymsroller bit

   Broaderdrilling bit

Questions about rock bit

What does rock bit mean?

rock bit means "a drill bit that has hardened rotating rollers".

What is another word for rock bit?

Close synonyms include roller bit. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is rock bit a common word?

rock bit is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.