Word.ws English Dictionary

back-counterbore

back-counterbore verb: to counterbore from the backside of a workpiece by using a boring tool that passes through a through hole, deploys a cutting edge (or receives it by manual insertion from an operator), counterbores the far side, retracts the cutting edge (or has it removed), and then retreats back through the hole (toward the tool's origin).

Verb

back-counterbore (third-person singular simple present back-counterbores, present participle back-counterboring, simple past and past participle back-counterbored)

  1. To counterbore from the backside of a workpiece by using a boring tool that passes through a through hole, deploys a cutting edge (or receives it by manual insertion from an operator), counterbores the far side, retracts the cutting edge (or has it removed), and then retreats back through the hole (toward the tool's origin).
    • We won't need any second operation on these parts. We're going to back-counterbore and back-spotface all of these features on the backside.

Noun

back-counterbore (plural back-counterbores)

  1. A counterbore that is so made.
    • There's no second operation on these parts. The backside features are all back-counterbores and back-spotfaces.

Forms of back-counterbore

Verb
third-person singular presentback-counterbores
present participleback-counterboring
past participleback-counterbored
pastback-counterbored
Noun
pluralback-counterbores

Origin of back-counterbore

From back- + counterbore.

Questions about back-counterbore

What does back-counterbore mean?
Back-counterbore means to counterbore from the backside of a workpiece by using a boring tool that passes through a through hole, deploys a cutting edge (or receives it by manual insertion from an operator), counterbores the far side, retracts the cutting edge (or has it removed), and then retreats back through the hole (toward the tool's origin).
What part of speech is back-counterbore?
Back-counterbore can be a verb or a noun.
What is the past tense of back-counterbore?
The past tense of back-counterbore is back-counterbored.

Words near back-counterbore in the dictionary

  1. back-cloths
  2. back-comb
  3. back-combed
  4. back-combing
  5. back-combs
  6. back-counterbore
  7. back-countersink
  8. back-cross
  9. back-crosses
  10. back-door
  11. back-door bandit

Source and license

Adapted from Wiktionary: back-counterbore (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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