| ALEXIPHARMICS | • alexipharmics n. Plural of alexipharmic. • ALEXIPHARMIC n. an antidote to poison.
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| ANDROSPHINXES | • androsphinxes n. Plural of androsphinx. • ANDROSPHINX n. a sphinx having the head of a man.
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| EXAMINERSHIPS | • examinerships n. Plural of examinership. • EXAMINERSHIP n. the office of examiner.
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| FLEXOGRAPHIES | • FLEXOGRAPHY n. a method of rotary letterpress printing using a resilient printing plate and solvent-based ink, used characteristically for printing on metal foil or plastic. | 
| HIERACOSPHINX | • hieracosphinx n. A mythical beast found in Egyptian sculpture and European heraldry, being a lion with the head of a falcon. • HIERACOSPHINX n. in ancient Egyptian art, a hawk-headed sphinx.
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| HYPERPROSEXIA | • hyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing… • HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers.
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| HYPERPYREXIAL | • hyperpyrexial adj. Exhibiting or relating to hyperpyrexia. • HYPERPYREXIAL adj. showing hyperpyrexia, an extremely high fever.
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| HYPERPYREXIAS | • hyperpyrexias n. Plural of hyperpyrexia. • HYPERPYREXIA n. an extremely high fever, with a temperature of 41 degrees Centigrade or above, also HYPERTHERMY.
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| LEXICOGRAPHER | • lexicographer n. One who writes or compiles a dictionary. • LEXICOGRAPHER n. an author or editor of a dictionary.
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| LEXICOGRAPHIC | • lexicographic adj. Like a dictionary, relating to lexicography (the writing of a dictionary). • LEXICOGRAPHIC adj. relating to lexicography, also LEXICOGRAPHICAL.
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| LEXIGRAPHICAL | • lexigraphical adj. Misspelling of lexicographical. • LEXIGRAPHICAL adj. relating to lexigraphy, the art of the definition of words, also LEXIGRAPHIC.
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| XANTHOPTERINE | • xanthopterine n. Alternative form of xanthopterin. • XANTHOPTERINE n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERIN.
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| XANTHOPTERINS | • xanthopterins n. Plural of xanthopterin. • XANTHOPTERIN n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERINE.
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| XEROPHTHALMIA | • xerophthalmia n. (Ophthalmology) A condition due to a deficiency of vitamin A where the conjunctiva and cornea become… • XEROPHTHALMIA n. extreme dryness of the conjunctive, thought to stem from a vitamin A deficiency, also XEROMA.
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| XEROPHTHALMIC | • xerophthalmic adj. Of or pertaining to xerophthalmia. • XEROPHTHALMIC adj. relating to xerophthalmia.
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| XIPHIPLASTRAL | • xiphiplastral adj. Relating to a xiphiplastron. • XIPHIPLASTRAL n. a type of chelonian.
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| XIPHIPLASTRON | • xiphiplastron n. The posterior, or fourth lateral plate in the plastron of a turtle. • XIPHIPLASTRON n. in chelonians, one of the plates forming the plastron, lying posterior to the hypoplastron.
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| XYLOGRAPHICAL | • xylographical adj. Xylographic. • XYLOGRAPHICAL adj. relating to xylography, the art of making engravings on wood, also XYLOGRAPHIC.
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