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Pronunciation varies by accent · noun
A conical recess, typically machined at the mouth of a hole to admit a screw (with a matching taper) so that the screw sits flush with a surface..
Holonym: center drill (combined drill and countersink)
to countersink a hole for a screw
to countersink a screw or bolt into woodwork
I countersank into the locust just enough to make the nailhead flush.
Use countersink when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Countersink means A conical recess, typically machined at the mouth of a hole to admit a screw (with a matching taper) so that the screw sits flush with a surface..
Common synonyms include countersinker, set, counterbore, countersink bit.
The opposite depends on the specific sense.
Holonym: center drill (combined drill and countersink)
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