boor

Definitions of boor
  1. noun
    a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
    synonyms: B, borium
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    type of:
    element
    any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
  2. noun
    a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
    synonyms: keper, keperstof, twill
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    types:
    show 4 types...
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    avegaar, effer, fret, grondboor, handboor, handboormachine, houtfretje, schroefboor, wielboor
    hand tool for boring holes
    kotterbank, steenboor
    a drill for penetrating rock
    schachtboor, schedelboor, trepaan
    a drill for cutting circular holes around a center
    boormachine
    a rotating power drill powered by an electric motor
    type of:
    gereedschap, gerei, hulp, hulpje, hulpmiddel, utensiliën, utiliteit, werktuig
    an implement used in the practice of a vocation
  3. noun
    the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press
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    types:
    kastanjebolster
    small bit used in dentistry or surgery
    schroefboor, spiraalboor
    a bit or drill having deep helical grooves
    steenbeitel, steenboor
    a drill bit that has hardened rotating rollers
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Word Family

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