Library / English Dictionary

    DRILLING BIT

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A bit used in drilling for oilplay

    Synonyms:

    drill bit; drilling bit

    Classified under:

    Nouns denoting man-made objects

    Hypernyms ("drilling bit" is a kind of...):

    bit (the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press)

    Hyponyms (each of the following is a kind of "drilling bit"):

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

    blade bit; fishtail bit (a drilling bit with cutting edges usually hardened against wear)

    rock bit; roller bit (a drill bit that has hardened rotating rollers)

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