soldering
はんだ付け
解説 Definition
soldering は solder（はんだ付けする）の現在分詞・動名詞です。金属部品や電子部品を、溶かしたはんだで接合する作業を表すときに使います。
Soldering is the act or process of joining metal parts, wires, or electronic components by melting a filler metal called solder around them. As the present participle of solder, it can also describe someone who is currently performing that operation.
覚え方のコツ Memory Tip
原形 solder に -ing を付けた現在分詞・動名詞で、語末の e を落とす変化はない。発音では l を読まず、米語ではおおむね「サーダリング」、英語では「ソウルダリング」に近い。soldering a wire to a circuit board の形で、溶かしたはんだにより部品を接合する作業場面と結び付けて覚える。
Start with the base verb solder, meaning to join metal parts with molten solder, and add -ing without changing the spelling of the base. Soldering can function as a present participle in “He is soldering a wire” or as a gerund in “Soldering requires steady hands.” Picture a circuit board, controlled heat, and a small metal joint. Useful patterns include “soldering a wire to a board” and “soldering damaged connectors.” In pronunciation, the written l is generally not sounded; American and British pronunciations of the first syllable differ.
例文
He is soldering a small wire to the circuit board.
彼は小さなワイヤーを回路基板にはんだ付けしています。
Soldering requires steady hands and careful heat control.
はんだ付けには、安定した手元と慎重な温度管理が必要です。
The technician spent the afternoon soldering damaged connectors.
その技術者は午後をかけて、壊れたコネクターをはんだ付けしました。
soldering の類義語・関連語
soldering の語源・成り立ち Etymology
ラテン語のsolidus（固体的な）に由来し、古フランス語を経て英語に入りました。solderは「接合して固める」の意で、-ingは名詞化接尾辞です。同じ語根にsolid（固体の）やconsolidate（統合する）があり、はんだで金属をつなぎ「一つに固める」姿から意味が納得できます。
Solder entered English through Old French forms related to Latin solidare, meaning “to make solid,” from solidus, “solid.” The historical idea is that separate pieces are made firm as one by a joining material. Soldering consists of the verb solder plus the productive suffix -ing, marking an ongoing action or the activity itself. The broader Latin family also produced English solid and consolidate, though their modern meanings developed along different paths.
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