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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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physical entity go
an entity that has physical existence
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matter go
that which has mass and occupies space
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substance go
the real physical matter of which a person or thing consists
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material, stuff go
the tangible substance that goes into the makeup of a physical object
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chemical, chemical substance go
material produced by or used in a reaction involving changes in atoms or molecules
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compound, chemical compound go
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
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organic compound go
any compound of carbon and another element or a radical
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amino acid, aminoalkanoic acid go
organic compounds containing an amino group and a carboxylic acid group
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essential amino acid go
an amino acid that is required by animals but that they cannot synthesize
phenylalanine
an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults
noun.substance

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