希釈する
解説 Definition
diluting は dilute（薄める、希釈する）の-ing形です。液体や溶液に水などを加えて濃度を下げる動作を表し、化学や料理、医療などの文脈で使われます。
Diluting is the present-participle form of dilute and describes reducing the concentration, strength, or intensity of a liquid or solution by adding water or another substance. It can also function as a gerund naming that process.
覚え方のコツ Memory Tip
原形 dilute「薄める」の語末 e を落として -ing を付け、diluting となります。発音は dilute /daɪˈluːt/ に対し diluting /daɪˈluːtɪŋ/。dilute juice with water、dilute a sample before a test の形で、液体を加えて濃度や味を弱める場面と結び付けます。
Begin with dilute, meaning to make a liquid or solution less concentrated. To form diluting, drop the final silent e before adding -ing: dilute becomes diluting. The pronunciation also extends naturally from /daɪˈluːt/ to /daɪˈluːtɪŋ/. Picture adding cold water to juice or preparing a laboratory sample before a test. The common structure is “dilute something with something,” as in “diluting the sauce with water.” This image of spreading a substance through more liquid also helps with figurative uses involving weakened strength or effect.
例文
She is diluting the juice with cold water.
彼女はジュースを冷たい水で薄めています。
The technician is diluting the sample before the test.
技術者は検査の前に試料を希釈しています。
Diluting the sauce made its taste milder.
ソースを薄めると味がまろやかになりました。
diluting の類義語・関連語
類義語
紛らわしい語
diluting の語源・成り立ち Etymology
diluting はラテン語 diluere「洗い流して薄める」に由来し、di-「離して」+ luere「洗う」と分けられます。もとは水で流して薄くする感覚で、そこから「希釈する」へ。関連語は dilute、dilution。
Diluting is formed from dilute by dropping the final e and adding -ing. Dilute comes from Latin diluere, meaning “to wash away, dissolve, or make thin,” traditionally analyzed with a prefix meaning “apart” and a verb connected with washing. The historical image is of reducing strength by washing or dispersing a substance through liquid. In modern chemistry, cooking, and medicine, diluting specifically denotes lowering concentration through the addition of a solvent or other material.
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