Nonessential definition

nŏnĭ-sĕnshəl
Being a substance that is required for normal functioning but does not need to be included in the diet because of the body's ability to synthesize it from other nutrients.

Nonessential amino acid.

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Not essential; of relatively no importance; unnecessary.
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(biochem.) Designating biological compounds, esp. amino acids, required by living systems, that can be made in adequate amounts from other dietary constituents.
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A nonessential person or thing.
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Being a substance that is required for normal functioning but does not need to be included in the diet because of the body's ability to synthesize it from other nutrients.

Nonessential amino acid.

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Having little or no importance; not essential.
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Something that is not essential.
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Other Word Forms

Noun

Singular:
nonessential
Plural:
nonessentials

Origin of nonessential