| ARCHAEOPTERYXES | • archaeopteryxes n. Plural of archaeopteryx. • ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits.
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| CHROMOXYLOGRAPH | • chromoxylograph n. A woodcut produced in colour. • CHROMOXYLOGRAPH n. a picture printed in colours from wooden blocks.
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| EXPOSTULATINGLY | • expostulatingly adv. With expostulations. • EXPOSTULATING adv. EXPOSTULATE, to remonstrate; to discuss or reason with.
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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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| INEXPLICABILITY | • inexplicability n. The state of being difficult to account for; the state of being inexplicable. • INEXPLICABILITY n. the state of being inexplicable.
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| INEXPUGNABILITY | • inexpugnability n. The quality of being inexpugnable. • INEXPUGNABILITY n. the quality of being inexpugnable.
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| INTERPAROXYSMAL | • interparoxysmal adj. Between paroxysms. • INTERPAROXYSMAL adj. between paroxysms.
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| OXYPHENBUTAZONE | • oxyphenbutazone n. (Pharmacology) A metabolite of phenylbutazone. • OXYPHENBUTAZONE n. a phenylbutazone derivative having antiinflammatory, analgesic, and antipyretic effects.
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| PARAMYXOVIRUSES | • paramyxoviruses n. Plural of paramyxovirus. • PARAMYXOVIRUS n. any of a group of viruses which includes the mumps and measles viruses.
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| PHOTOXYLOGRAPHY | • photoxylography n. A process in which a photograph is printed on wood to use as a template for engraving. • PHOTOXYLOGRAPHY n. wood engraving after a photographic impression on a woodblock.
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| POLYCARBOXYLATE | • polycarboxylate n. (Organic chemistry) Any ester of a polycarboxylic acid. • POLYCARBOXYLATE n. a salt or ester of a polycarboxylic acid, used in certain detergents.
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| PSYCHOSEXUALITY | • psychosexuality n. The psychological aspects of sexuality. • PSYCHOSEXUALITY n. the psychic factors of sex.
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| UNEXCEPTIONABLY | • unexceptionably adv. In an unexceptionable manner. • UNEXCEPTIONABLE adv. not open to objection or criticism.
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| UNEXCEPTIONALLY | • unexceptionally adv. In an unexceptional manner. • UNEXCEPTIONAL adv. not out of the ordinary.
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| XENOMORPHICALLY | • XENOMORPHIC adv. having a form not its own. | 
| XEROGRAPHICALLY | • xerographically adv. In a xerographic way; by xerography. • XEROGRAPHIC adv. relating to xerography.
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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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| XYLOTYPOGRAPHIC | • xylotypographic adj. Of or pertaining to xylotypography. • XYLOTYPOGRAPHIC adj. relating to, or printed from, wooden type.
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