Sinonim core bit

English Thesaurus

1. a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken (noun.artifact)

hypernym	:	drill bit, drilling bit,
definition	:	a bit used in drilling for oil (noun.artifact)

part meronym	:	core drill,
definition	:	a drill that removes a cylindrical core from the drill hole (noun.artifact)