ガスケット
解説 Definition
gasket は機械の接合部に入れて液体や気体の漏れを防ぐ部品、ガスケットという意味です。日本語のカタカナ語「ガスケット」とほぼ同じ専門的な機械部品を指します。
A gasket is a shaped piece of compressible material placed between two joined surfaces to create a tight seal. It prevents liquids or gases from leaking from machinery, pipes, engines, and similar equipment.
覚え方のコツ Memory Tip
gasket は二つの部品の接合面にはさみ、圧縮して液体や気体の漏れを防ぐ「密封材」です。replace a gasket、a damaged gasket、fit tightly between parts という場面を一組で覚えましょう。seal は密封する物や行為を広く指しますが、gasket は特に平らな接合部にはさむ成形部品で、O-ring とは形状も異なります。
Picture a gasket squeezed tightly between two metal parts. Its job is to fill tiny irregular gaps and prevent oil, water, air, or other fluids from escaping. Useful combinations include replace a gasket, a damaged gasket, a leaking gasket, and gasket failure. Connect the English word directly with the established Japanese technical term ガスケット, but remember its function rather than only its sound. A seal is a broader category, while a gasket is typically a shaped component compressed between stationary mating surfaces. An O-ring is a particular ring-shaped seal, not simply another name for every gasket.
例文
The mechanic replaced the old gasket.
整備士は古いガスケットを交換しました。
A damaged gasket can cause oil to leak.
傷んだガスケットは油漏れの原因になることがあります。
The gasket must fit tightly between the two metal parts.
ガスケットは二つの金属部品の間にぴったり合わなければなりません。
gasket の類義語・関連語
gasket の語源・成り立ち Etymology
gasket は17世紀の海事語 caskette にさかのぼり、フランス語 garcette「帆を留める小綱」に由来するとされますが、語源はなお不確かです。関連語は garcette、garçon。同じ“ひも・留め具”の感覚から、金属の継ぎ目をぴたりと塞ぐ部品の意味へ広がったと考えると覚えやすいです。
Gasket has been used in English since the seventeenth century, first in nautical contexts for a small rope or line used to secure a furled sail. It is often connected with French garcette, a small rope, though the word’s earlier history is not completely certain. The later mechanical sense refers to material fitted at a joint to make it tight. Because the precise path of this semantic development is uncertain, the modern structure and sealing function provide the safest guide.
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