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| trace element Any of various chemical elements that occur in very small amounts in organisms and are essential for many physiological and biochemical processes; trace element | |||
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| micro element; micronutrient | |||
| micro-element; minor element; trace element | |||
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| trace element Any of various chemical elements that occur in very small amounts in organisms and are essential for many physiological and biochemical processes; trace element | |||
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| micro element; micronutrient | |||
| micro-element; minor element; trace element | |||
