Kanji 再 again, twice, second time 利 profit, advantage, benefit 用 utilize, business, service Related words リサイクル Common loanword for recycling; 再生利用 is a more formal or technical Sino-Japanese term often used in official or industrial contexts.
再さい 利り 用よう Means 'reuse' in a broad sense, including using something again without reprocessing. 再生利用 specifically implies reprocessing into new materials.
Etymology Compound of 再生 (さいせい , 'regeneration, rebirth') and 利用 (りよう , 'use, utilization'). The combination directly conveys the concept of using something again after regeneration or reprocessing.
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