Jisho

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Noun
1. trace element
Noun
2. micronutrientSee also 微量要素 びりょうようそ
Wikipedia definition
3. MicronutrientMicronutrients are nutrients required by humans and other living things throughout life in small quantities to orchestrate a whole range of physiological functions, but which the organism itself cannot produce. For people, they include dietary trace minerals in amounts generally less than 100 milligrams/day - as opposed to macrominerals which are required in larger quantities.
Read “Micronutrient” on English Wikipedia
Read “微量元素” on Japanese Wikipedia
Read “Micronutrient” on DBpedia

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