| ASPHYXIATED | • asphyxiated v. Simple past tense and past participle of asphyxiate. • ASPHYXIATE v. to cause asphyxia in.
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| DEXAMPHETAMINE | • dexamphetamine n. Dextroamphetamine. • DEXAMPHETAMINE n. the dextrorotatory isomer of amphetamine, used as a stimulant.
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| DEXAMPHETAMINES | • DEXAMPHETAMINE n. the dextrorotatory isomer of amphetamine, used as a stimulant. | 
| EXHILARATED | • exhilarated v. Simple past tense and past participle of exhilarate. • EXHILARATE v. to make cheerful and excited.
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| HEXADACTYLIC | • hexadactylic adj. Hexadactylous. • HEXADACTYLIC adj. having six fingers, also HEXADACTYLOUS.
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| HEXADECANOIC | • hexadecanoic adj. Of or pertaining to hexadecanoic acid or its derivatives. • HEXADECANOIC adj. as in hexadecanoic acid, a fatty acid, aka palmitic acid.
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| HEXADECIMAL | • hexadecimal n. (Arithmetic, computing, uncountable) A number system with base sixteen, using the digits 0, 1, 2, 3… • hexadecimal n. (Countable, computing) A number expressed in the hexadecimal system.
 • hexadecimal adj. Of a number, expressed in hexadecimal.
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| HEXADECIMALS | • hexadecimals n. Plural of hexadecimal. • HEXADECIMAL n. a number system with a base of 16.
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| HEXAGRAMMOID | • HEXAGRAMMOID n. a hexagram shape. | 
| HEXAGRAMMOIDS | • HEXAGRAMMOID n. a hexagram shape. | 
| HEXANDRIAN | • hexandrian adj. (Botany) Having six stamens. • HEXANDRIAN adj. having six stamens, also HEXANDROUS.
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| HEXOSAMINIDASE | • hexosaminidase n. (Biochemistry) Any enzyme that catalyzes the hydrolysis of terminal hexosamine residues in hexosaminides. • HEXOSAMINIDASE n. either of two hydrolytic enzymes that catalyze the splitting off of a hexose from a ganglioside and are deficient in some metabolic diseases.
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| HEXOSAMINIDASES | • hexosaminidases n. Plural of hexosaminidase. • HEXOSAMINIDASE n. either of two hydrolytic enzymes that catalyze the splitting off of a hexose from a ganglioside and are deficient in some metabolic diseases.
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| 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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| 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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| XERORADIOGRAPHY | • xeroradiography n. A method of X-ray photography which uses an electrically charged metal plate instead of film. • XERORADIOGRAPHY n. radiography used esp. in mammographic screening for breast cancer that produces an image using X-rays in a manner similar to the way an image is produced by light in xerography.
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