propane
プロパン
解説 Definition
propane は、燃料として使われる可燃性ガスのプロパンを意味します。日本語の「プロパン」とほぼ同じ意味で、家庭用燃料やボンベの話題でよく使われます。
Propane is a colorless, highly flammable hydrocarbon gas with three carbon atoms, commonly stored as a liquid under pressure. It is widely used as a fuel for cooking, heating, vehicles, and portable equipment.
覚え方のコツ Memory Tip
propane は炭素3個のアルカンを表す化学名で、語尾 -ane が methane、ethane、butane と同じ系列の目印。日常では propane tank、propane stove、powered by propane の組み合わせで、ボンベに入れて調理・暖房に使う可燃性燃料を思い浮かべる。
Place propane in the alkane series: methane has one carbon atom, ethane two, propane three, and butane four. The ending -ane signals a saturated hydrocarbon, while prop- identifies the three-carbon member. For everyday use, picture a propane tank connected to a stove, grill, or heater. Common combinations include propane gas, propane tank, propane stove, and powered by propane. Unlike the broad term natural gas, propane names a specific chemical compound, C3H8, that can be compressed into a portable liquid fuel.
例文
The stove uses propane for cooking.
そのコンロは調理にプロパンを使います。
We checked the propane tank before the trip.
旅行の前にプロパンのタンクを確認しました。
The cabin has a small heater powered by propane.
その山小屋にはプロパンで動く小さな暖房器具があります。
propane の類義語・関連語
propane の語源・成り立ち Etymology
ギリシャ語 pro-「前の」+ pion「脂肪」に由来する propionic acid（プロピオン酸）から派生し、接尾辞 -ane（アルカン系炭化水素）を付けた化学用語。脂肪酸の「最初の＝炭素数が少ない」仲間という命名。関連語に propionic（プロピオン酸の）がある。
The chemical name propane was formed from propionic acid together with the hydrocarbon suffix -ane, which identifies an alkane. Propionic derives from Greek elements conventionally explained as protos, “first,” and pion, “fat,” because propionic acid was regarded as the first or smallest acid displaying certain fatty-acid properties. The name propane was then assigned to the corresponding three-carbon saturated hydrocarbon. Related chemical names include propene, propanol, and propionic acid.
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