| HYDROXYACETIC | • HYDROXYACETIC adj. as in hydroxyacetic acid, another name for glycolic acid. | 
| HYDROXYAPATITE | • hydroxyapatite n. A basic calcium phosphate mineral that is the principal inorganic constituent of bone and teeth. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
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| HYDROXYAPATITES | • hydroxyapatites n. Plural of hydroxyapatite. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
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| HYDROXYBUTYRATE | • hydroxybutyrate n. (Chemistry) any salt or ester of hydroxybutyric acid, but especially of gamma-hydroxybutyric acid. • HYDROXYBUTYRATE n. as in gamma hydroxybutyrate, a substance that occurs naturally in the brain, used medically as a sedative but also as a recreational drug and alleged aphrodisiac.
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| HYDROXYCITRIC | • HYDROXYCITRIC adj. as in hydroxycitric acid, an extract of the plant garcinia. | 
| HYDROXYLAPATITE | • hydroxylapatite n. Alternative spelling of hydroxyapatite. • HYDROXYLAPATITE n. a mineral of the apatite group that is rare in the ground but is the principal inorganic constituent of tooth enamel and bone.
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| HYDROXYLATE | • hydroxylate v. (Organic chemistry) To introduce a hydroxyl group into a compound. • HYDROXYLATE v. to introduce hydroxyl into.
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| HYDROXYLATED | • hydroxylated v. Simple past tense and past participle of hydroxylate. • hydroxylated adj. (Organic chemistry) That has been modified by hydroxylation.
 • HYDROXYLATE v. to introduce hydroxyl into.
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| HYDROXYLATES | • hydroxylates v. Third-person singular simple present indicative form of hydroxylate. • HYDROXYLATE v. to introduce hydroxyl into.
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| HYDROXYLATING | • hydroxylating v. Present participle of hydroxylate. • HYDROXYLATE v. to introduce hydroxyl into.
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| HYDROXYLATION | • hydroxylation n. (Organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement… • HYDROXYLATION n. the act of hydroxylating.
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| HYDROXYLATIONS | • hydroxylations n. Plural of hydroxylation. • HYDROXYLATION n. the act of hydroxylating.
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| TRIHYDROXY | • trihydroxy n. (Organic chemistry, in combination) Three hydroxy groups in a molecule. • TRIHYDROXY adj. having three hydroxyl groups.
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