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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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steroid
any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings
any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings
noun.substance
4 Subcategories
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ketosteroid go
a steroid containing a ketone group
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sterol, steroid alcohol go
any of a group of natural steroid alcohols derived from plants or animals
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bile acid go
any of the steroid acids generated in the liver and stored with bile
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cardiac glycoside, cardiac glucoside go
obtained from a number of plants and used to stimulate the heart in cases of heart failure