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trace element

noun

Definition of trace element

  1. :  a chemical element present in minute quantities; especially :  a micronutrient (such as iodine, iron, and zinc) with an optimum daily intake of typically less than 100 milligrams a day

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First Known Use of trace element

1932

TRACE ELEMENT Defined for English Language Learners

trace element

noun

Definition of trace element for English Language Learners

  • : a chemical element that is present only in very small amounts

  • : a chemical or element that a living thing needs in very small amounts in order to live

Medical Dictionary

trace element

noun

Medical Definition of trace element

  1. :  a chemical element present in minute quantities; especially :  a micronutrient (as iodine, iron, and zinc) with an optimum daily intake of typically less than 100 milligrams

Learn More about trace element

  1. Britannica.com: Encyclopedia article about trace element

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