| 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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| HYDROCEPHALOUS | • hydrocephalous adj. Having a swollen head. • hydrocephalous adj. (Medicine) Afflicted with hydrocephalus.
 • HYDROCEPHALOUS adj. suffering from hydrocephaly, also HYDROCEPHALIC.
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| HYDROCEPHALUS | • hydrocephalus n. (Medicine) A usually congenital condition in which an abnormal accumulation of fluid in the cerebral… • HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY.
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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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| HYDROPHANOUS | • hydrophanous adj. (Mineralogy) Made transparent by immersion in water. • HYDROPHANOUS adj. becoming transparent when placed in water.
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| HYDROSULPHATE | • hydrosulphate n. Alternative form of hydrosulfate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate.
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| HYDROSULPHATES | • hydrosulphates n. Plural of hydrosulphate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate.
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| HYLOPHAGOUS | • hylophagous adj. That feeds on wood. • HYLOPHAGOUS adj. eating wood.
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| HYPOGNATHOUS | • hypognathous adj. (Zoology) Having the maxilla, or lower jaw, longer than the upper jaw. • HYPOGNATHOUS adj. having the lower jaw or mandible protruding.
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| HYPOSULPHATE | • hyposulphate n. (Inorganic chemistry) Alternative form of hyposulfate. • HYPOSULPHATE n. a dithionate.
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| HYPOSULPHATES | • hyposulphates n. Plural of hyposulphate. • HYPOSULPHATE n. a dithionate.
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| HYPOTHALAMUS | • hypothalamus n. (Anatomy) A region of the forebrain located below the thalamus, forming the basal portion of the diencephalon… • HYPOTHALAMUS n. a part of the brain.
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| ICHTHYOPHAGOUS | • ichthyophagous adj. (Biology) feeding on fish. • ICHTHYOPHAGOUS adj. fish-eating.
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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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| PHYLLOPHAGOUS | • phyllophagous adj. (Zoology) that feeds on leaves; leaf-eating. • PHYLLOPHAGOUS adj. leaf-eating.
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| PHYTOPHAGOUS | • phytophagous adj. (Zoology) Feeding on plants, herbivorous. • PHYTOPHAGOUS adj. feeding on plants, also PHYTOPHAGIC.
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| XANTHOPHYLLOUS | • xanthophyllous adj. Of or relating to xanthophyll. • XANTHOPHYLLOUS adj. like a xanthophyll, a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks.
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