急落する
解説 Definition
plummeting は plummet（急落する、急に落ちる）の現在分詞・動名詞です。価格、数値、気温などが急激に下がっている状態を表すときによく使われます。
The present-participle or gerund form of plummet, describing something that is falling or decreasing very rapidly and sharply. It is frequently used for prices, sales, temperatures, approval ratings, and other measurable values undergoing a sudden major decline.
覚え方のコツ Memory Tip
plummet「急落する」に -ing を付けた現在分詞・動名詞で、末尾の t は重ねず plummeting とする。発音は /ˈplʌmɪtɪŋ/。もとの plummet は鉛の重りで、重りが真下へ一気に落ちる像を、plummeting prices、plummeting sales、temperature is plummeting のような価格・売上・気温の急激な低下に結び付ける。
Plummeting comes from the base verb plummet plus -ing; the final t is not doubled, so the spelling is plummeting. It is pronounced /ˈplʌmɪtɪŋ/. A plummet was originally a lead weight that dropped straight down, giving a strong visual image for a rapid fall. Attach that image to common phrases such as plummeting prices, plummeting sales, and temperatures are plummeting. Falling is neutral and may be gradual, while plummeting emphasizes a steep, fast, and often alarming decrease. The form can act as a verb or as an adjective-like participle before a noun.
例文
The temperature is plummeting after sunset.
日没後、気温が急落しています。
The company is worried about plummeting sales.
その会社は急落する売上を心配しています。
Farmers watched the market price plummeting throughout the week.
農家の人たちは、その週を通して市場価格が急落していくのを見守りました。
plummeting の類義語・関連語
対義語
紛らわしい語
plummeting の語源・成り立ち Etymology
中英語 plummet（鉛の重り）から。ラテン語 plumbum（鉛）が語源で、鉛の重りが真っ直ぐ落ちる様子から「急落する」の意味に。関連語: plumber（元は鉛管工）、plumb（垂直の）。鉛が落ちるように一気に下がるイメージ。
Plummeting is the present-participle and gerund form of plummet. The noun plummet originally referred to a lead weight used on a line, and it came through Middle English and Old French from Latin plumbum, “lead.” Because such a weight drops directly and quickly, plummet developed a verb sense meaning “fall steeply.” The modern figurative use is especially common for numerical measures such as prices, sales, temperatures, or ratings that decrease sharply.
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