crown drill
Engineering
noun
A drill with a bit in the form of a tube with projecting cutting edges.
Origin
Late 19th century.
- microaerophilic
- microaerophilous
- microaggression
- microanalyser
- microanalysis
- microanalyst
- microanalytical
- microanalyzer
- microanatomic
- microanatomical
- microanatomically
- microanatomist
- microanatomy
- microangiopathy
- microarchitecture
- microarray
- microatoll
- microbacterium
- microbal
- microbalance
- microballoon
- microbarograph
- microbarom
- microbe
- microbeads