| DOXOGRAPHY | • doxography n. The work or works of classical historians describing the opinions of Ancient Greek philosophers and scientists. • DOXOGRAPHY n. the compilation of opinions on philosophers.
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| HEXAPLOIDY | • hexaploidy n. The property of being hexaploid. • HEXAPLOIDY n. the state of having six times the normal number of chromosomes.
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| HEXAPODY | • hexapody n. (Poetry, countable) Six metrical feet taken together, or included in one measure. • hexapody n. (Zoology, uncountable) The property of being a hexapod; six-leggedness.
 • HEXAPODY n. a line of verse with six feet.
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| HYDROPEROXIDE | • hydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH. • HYDROPEROXIDE n. a compound containing an O2H group.
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| HYDROPEROXIDES | • hydroperoxides n. Plural of hydroperoxide. • HYDROPEROXIDE n. a compound containing an O2H group.
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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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| HYDROXYPROLINE | • hydroxyproline n. (Biochemistry) A hydroxy derivative of the amino acid proline found in the structural proteins of connective tissue. • HYDROXYPROLINE n. an amino acid.
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| HYDROXYPROLINES | • hydroxyprolines n. Plural of hydroxyproline. • HYDROXYPROLINE n. an amino acid.
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| HYPEROXIDE | • hyperoxide n. (Inorganic chemistry) Any oxide that has a higher than normal ratio of oxygen to metal. • HYPEROXIDE adj. a compound containing a relatively large proportion of oxygen.
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| HYPEROXIDES | • hyperoxides n. Plural of hyperoxide. • HYPEROXIDES n. HYPEROXIDE.
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| HYPOMIXOLYDIAN | • hypomixolydian adj. (Music) Describing a mode of church music represented by a major scale from D to G. • HYPOMIXOLYDIAN adj. applied in old church music to a mode extending from d to d with g as its final.
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| OXYSULPHIDE | • oxysulphide n. Alternative form of oxysulfide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur.
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| OXYSULPHIDES | • oxysulphides n. Plural of oxysulphide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur.
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| POLYHYDROXY | • polyhydroxy adj. (Organic chemistry) Having three or more hydroxy functional groups. • POLYHYDROXY adj. containing more than one hydroxyl group in the molecule.
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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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| XYLOGRAPHED | • xylographed v. Simple past tense and past participle of xylograph. • XYLOGRAPH v. to copy by xylograph.
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