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Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

matter go
that which has mass and occupies space

substance go
the real physical matter of which a person or thing consists

material, stuff go
the tangible substance that goes into the makeup of a physical object

chemical, chemical substance go
material produced by or used in a reaction involving changes in atoms or molecules

compound, chemical compound go
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

organic compound go
any compound of carbon and another element or a radical

amide
any organic compound containing the group -CONH2

noun.substance

4 Subcategories

acetamide, ethanamide go
a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds
acrylamide go
a white crystalline amide of propenoic acid can damage the nervous system and is carcinogenic in laboratory animals
peptide go
amide combining the amino group of one amino acid with the carboxyl group of another
proprionamide, propanamide go
the amide of propionic acid (C2H5CONH2)