adamantine drill
noun
: a tubular well-drilling bit with hardened steel shot that revolve under the rim of the rotating tube
Word History
First Known Use
circa 1904, in the meaning defined above
- red star
- polyunsaturated
- polyunsaturates
- polyurethane
- polyurethanes
- polyuria
- polyurias
- polyuronic acid
- polyuronide
- polyvalence
- polyvalences
- polyvalencies
- polyvalent
- polyvinyl
- polyvinyl acetal
- polyvinyl acetate
- polyvinyl alcohol
- polyvinyl butyral
- polyvinyl chloride
- polyvinyl formal
- polyvinyl resin
- polyvinyler
- polyvinylest
- polyvinylidene
- polyvinylidene chloride