最終更新日：2025/11/27

(chemistry, American spelling) Water where both the hydrogen and oxygen atoms have been replaced by less common isotopes.

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doubly labeled water

元となった辞書の項目

doubly labeled water

名詞

アメリカ英語不可算名詞

(chemistry, American spelling) Water where both the hydrogen and oxygen atoms have been replaced by less common isotopes.

日本語の意味

水素と酸素の両方が希少な同位体に置換された水。

In metabolic studies, researchers often administer doubly labeled water to track energy expenditure over several weeks.

代謝研究では、研究者はしばしば水素と酸素の両方がより希少な同位体に置換された水を投与して数週間にわたるエネルギー消費量を追跡します。

意味（1）

(chemistry, American spelling) Water where both the hydrogen and oxygen atoms have been replaced by less common isotopes.

Deuterium oxide-18 (D₂¹⁸O) is one kind of doubly labeled water.