leaded
リードされた
解説 Definition
leaded は lead（鉛を入れる、鉛で覆う）の過去形・過去分詞に由来し、「鉛を含む」「鉛で加工された」という意味で使われます。日本語の「リードされた」と見えることがありますが、「先導された」は通常 led と書くため注意が必要です。
Leaded describes a substance or object that contains lead or has been treated, covered, joined, or otherwise made with lead. It commonly appears in expressions such as leaded fuel, leaded paint, and leaded glass.
覚え方のコツ Memory Tip
金属の lead「鉛」＋ -ed で、「鉛を含む・鉛で加工した」と覚える。原形 lead のこの語義は /led/、leaded は /ˈledɪd/ で、-ed が独立した音節になる。leaded fuel、leaded paint が代表例。「先導する」lead /liːd/ の過去形・過去分詞は綴りが led なので厳密に区別する。
Connect leaded with the metal lead, not with the verb meaning “guide.” In this sense, lead is pronounced /led/, and leaded is /ˈledɪd/, with the -ed pronounced as a separate syllable. The form comes from lead plus -ed and means containing lead or made or treated with it. Learn it through common combinations: leaded fuel, leaded gasoline, leaded paint, and leaded glass. The crucial spelling contrast is that the past tense and past participle of lead /liːd/ meaning “guide” is led, never leaded.
例文
The old car was designed to run on leaded fuel.
その古い車は有鉛燃料で走るように設計されていました。
Leaded paint is no longer allowed in many homes.
多くの住宅では、鉛を含む塗料はもはや認められていません。
The museum displayed a leaded glass window from the church.
博物館には、その教会の鉛で組まれたガラス窓が展示されていました。
leaded の類義語・関連語
leaded の語源・成り立ち Etymology
古英語 lēad（鉛）に過去分詞接尾辞 -ed を付けた形容詞。鉛は印欧祖語 *ploud- に遡り、ゲルマン語派で語頭の p が脱落した。「鉛を含んだ・鉛入りの」が原義で、leaded gasoline（有鉛ガソリン）の用法が代表的。関連語：lead（鉛）、unleaded（無鉛の）。
Leaded is formed from the noun or verb lead, referring to the metal, plus the suffix -ed. English lead for the metal descends from Old English lēad. The adjective therefore literally describes something provided with, containing, or worked with lead. Its best-known modern uses include leaded gasoline and leaded paint. Although leaded looks like a regular past form of lead meaning “guide,” that verb has the irregular past tense and past participle led.
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