代謝

• 読み: たいしゃ
• ローマ字: taisha
• 漢字の分解: 代 (dai/ka-) — substitute, replace; 謝 (sha/ayama-) — decline, repay, renew
• 発音: /ta.i.ɕa/

意味

Metabolism; the set of biochemical reactions that sustain life in an organism. Also used figuratively to mean renewal or turnover within a system.

A noun covering both anabolism (building molecules) and catabolism (breaking them down). In everyday usage, 基礎代謝 (basal metabolic rate) is commonly discussed in health contexts. Figuratively, 新陳代謝 refers to the natural cycle of renewal in organisations or societies.

例文

1. 運動を続けることで基礎代謝が高まり、太りにくい体質になる。
2. 細胞の代謝を制御する酵素の働きを分子レベルで解明した。
3. 冬は体の代謝が低下しがちなので、意識的に体を動かすことが大切だ。

使い方ガイド

場面: biology, medicine, health, biochemistry

トーン: neutral

起源と歴史

From Chinese-derived compounds: 代 (dai — substitute, replace) and 謝 (sha — decline, retire). Together they convey the idea of old material being replaced by new, reflecting the biological process of renewal.

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal