| BRACHYCEPHALOUS | • brachycephalous adj. Relating to brachycephaly; brachycephalic. • BRACHYCEPHALOUS adj. short-headed, esp. having a skull whose breadth is 80 per cent or more of its length.
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| HYDROCEPHALUSES | • hydrocephaluses n. Plural of hydrocephalus. • HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY.
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| HYPERFASTIDIOUS | • hyperfastidious adj. Extremely fastidious. • HYPERFASTIDIOUS adj. excessively fastidious.
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| HYPOPITUITARISM | • hypopituitarism n. (Medicine) A decrease in secretion of one or more of the eight hormones normally produced by the pituitary gland. • HYPOPITUITARISM n. deficient production of growth hormones by the pituitary gland.
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| NEUROPSYCHIATRY | • neuropsychiatry n. (Medicine) The branch of medicine dealing with disorders that have both neurological and psychiatric features. • NEUROPSYCHIATRY n. a branch of medicine concerned with both neurology and psychiatry.
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| PHENYLBUTAZONES | • phenylbutazones n. Plural of phenylbutazone. • PHENYLBUTAZONE n. a drug formerly used as an analgesic, but now largely restricted to veterinary use.
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| PHENYLTHIOUREAS | • phenylthioureas n. Plural of phenylthiourea. • PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene).
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| PROSENCHYMATOUS | • prosenchymatous adj. Relating to the prosenchyma. • PROSENCHYMATOUS adj. relating to prosenchyma, supporting plant tissue containing little protoplasm.
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| PSYCHOACOUSTICS | • psychoacoustics n. The scientific study of all the psychological interactions between humans and the world of sound; includes… • PSYCHOACOUSTICS n. a branch of science dealing with the perception of sound, the sensations produced by sounds, and the problems of communication.
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| PSYCHOSEXUALITY | • psychosexuality n. The psychological aspects of sexuality. • PSYCHOSEXUALITY n. the psychic factors of sex.
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| SCEUOPHYLACIUMS | • SCEUOPHYLACIUM n. a sacristy. | 
| SULPHINPYRAZONE | • sulphinpyrazone n. Alternative form of sulfinpyrazone. • SULPHINPYRAZONE n. a drug used to treat gout.
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| ULTRASONOGRAPHY | • ultrasonography n. (Medicine) The use of ultrasound to produce diagnostic images of the internal organs of the body, or of a foetus. • ultrasonography n. The use of ultrasound to form images of underwater structures.
 • ULTRASONOGRAPHY n. the use of ultrasound.
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| ZYGOPHYLLACEOUS | • zygophyllaceous adj. (Botany) Of or relating to the family Zygophyllaceae of bean-capers, caltrops, and related plants. • ZYGOPHYLLACEOUS adj. belonging to the Zygophyllaceae, the bean caper family.
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