Wiktionary英語版

出典：Wiktionary

back-counterbore

出典:『Wiktionary』 (2026/03/26 22:37 UTC 版)

語源

From back- +‎ counterbore.

動詞

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

  1. (machining) 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).
    Hypernyms: counterbore < cut
    Coordinate terms: back-countersink, countersink; back-spotface, spotface; backbore, bore
    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.

名詞

back-counterbore (plural back-counterbores)

  1. A counterbore that is so made.
    Hypernyms: counterbore < feature
    Coordinate terms: back-countersink, countersink; back-spotface, spotface; bore
    There's no second operation on these parts. The backside features are all back-counterbores and back-spotfaces.
調べた例文を記録して、効率よく覚えましょう
Weblio会員無料で登録できます
履歴機能 過去に調べた単語を確認できる
語彙力診断 診断回数が4回に増加
マイ単語帳 便利な学習機能付き
マイ例文帳 文章で意味を理解できる
Weblio会員登録(無料)はこちらから▶

back-counterboreのページの著作権