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...
Found on http://en.wikipedia.org/wiki/Micronutrient

micronutrient

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

micronutrient

noun a substance needed only in small amounts for normal body function (e.g., vitamins or minerals)
Found on https://www.encyclo.co.uk/local/20974

micronutrient

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

Micronutrient

A nutrient needed in small amounts by plants; also called a trace or minor element.
Found on https://extension.umd.edu/hgic/resource-library/vegetable-gardening-glossar

micronutrient

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

micronutrient

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) ...
Found on http://www.encyclo.co.uk/local/20973

Micronutrient

Also referred to as trace elements, include S, Fe, Mn, B, Mo, Zn, and Cu.
Found on http://gardeningwithconfidence.com/blog/2013/03/21/garden-glossary/

Micronutrient

Also referred to as trace elements, include S, Fe, Mn, B, Mo, Zn, and Cu.
Found on http://beebetter.info/2016/07/garden-glossary/

micronutrient

Any ingredient, such as minerals, vitamins or drugs, added in very small amounts to a ration.
Found on http://www.vetmed.wsu.edu/glossary/glossary.asp

Micronutrient

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

Micronutrient

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

micronutrient

[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
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