
1) Matter 2) Substance
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https://www.crosswordclues.com/clue/micronutrient

1) Trace element
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https://www.crosswordclues.com/clue/micronutrient

Micronutrients are nutrients required by humans and other organisms throughout life in small quantities to orchestrate a range of physiological functions. 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. The microminerals or trac...
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http://en.wikipedia.org/wiki/Micronutrient

nutrient required in trace amounts.
Found on
http://wheatdoctor.org/glossary?showall=&start=1

A substance the body needs in tiny amounts to grow and stay healthy. Examples are vitamins and minerals.
Found on
http://www.cancer.gov/dictionary?expand=M

A mineral required in only minute amounts for plant growth. Micronutrients include iron, chlorine, copper, molybdenum, and boron.
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http://www.daviddarling.info/encyclopedia/M/micronutrient.html

A vitamin or mineral that the body must obtain from outside sources. Micronutreints are essential to the body in small amounts because they are either components of enzymes (the minerals) or act as coenzymes in managing chemical reactions. ... See: Vitamin. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973

(mi″kro-noo´tre-әnt) a dietary element essential only in small quantities, such as selenium, copper, or manganese.
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http://www.encyclo.co.uk/local/21001

Nutritional element required by an organism in relatively very small quantities.
Found on
http://www.physicalgeography.net/physgeoglos/m.html

A trace element; an organic compound like a vitamin that is essential but only in small amounts for physical health, growth and metabolism.
Found on
http://www.virology.net/ATVGlossary.html

[
n] - a substance needed only in small amounts for normal body function (e.g., vitamins or minerals)
Found on
http://www.webdictionary.co.uk/definition.php?query=micronutrient

indispensable element present in cells in lower amounts than macronutrients; also called trace element
Found on
https://courses.lumenlearning.com/microbiology/chapter/glossary/

A nutrient needed in small amounts by plants; also called a trace or minor element.
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https://extension.umd.edu/hgic/resource-library/vegetable-gardening-glossar
noun a substance needed only in small amounts for normal body function (e.g., vitamins or minerals)
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https://www.encyclo.co.uk/local/20974

Any ingredient, such as minerals, vitamins or drugs, added in very small amounts to a ration.
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https://www.encyclo.co.uk/local/22445

Also referred to as trace elements, include S, Fe, Mn, B, Mo, Zn, and Cu.
Found on
https://www.encyclo.co.uk/local/23353

Also referred to as trace elements, include S, Fe, Mn, B, Mo, Zn, and Cu.
Found on
https://www.encyclo.co.uk/local/23362
No exact match found.