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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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chemical, chemical substance go
material produced by or used in a reaction involving changes in atoms or molecules
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
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
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carotene, provitamin A, carotin
an orange isomer of an unsaturated hydrocarbon found in many plants
an orange isomer of an unsaturated hydrocarbon found in many plants
noun.substance
1 Subcategories
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beta-carotene go
an isomer of carotene that is found in dark green and dark yellow fruits and vegetables