crown drill
Engineering
noun
A drill with a bit in the form of a tube with projecting cutting edges.
Origin
Late 19th century.
- discontinual
- discontinuance
- discontinuation
- discontinue
- discontinued
- discontinuedness
- discontinuer
- discontinuity
- discontinuity layer
- discontinuor
- discontinuous
- discontinuously
- discontinuousness
- disconvenience
- disconveniency
- disc operating system
- discophil
- discophile
- discophore
- discophorous
- discopodium
- discopodous
- discord
- discordance
- discordancy