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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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acid go
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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carboxylic acid go
an organic acid characterized by one or more carboxyl groups
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fatty acid go
any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis
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unsaturated fatty acid go
a fatty acid whose carbon chain can absorb additional hydrogen atoms
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polyunsaturated fatty acid go
an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule
omega-6 fatty acid, omega-6
a polyunsaturated fatty acid whose carbon chain has its first double valence bond six carbons from the beginning
noun.substance

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