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subdrill

transitive verb
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sub·​drill | \ "+ \

Definition of subdrill

: to drill (a hole) to a size that leaves sufficient metal for finishing by reaming

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History and Etymology for subdrill

sub- + drill

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“Subdrill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subdrill. Accessed 19 Sep. 2020.

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