| AFFRIGHTEDLY | • affrightedly adv. (Archaic, poetic) with fright. • AFFRIGHTED adv. AFFRIGHT, to frighten.
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| ANTIHYDROGEN | • antihydrogen n. (Physics, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron… • antihydrogen n. (Physics, countable) An atom of the antimatter equivalent of hydrogen.
 • ANTIHYDROGEN n. an antimatter form of hydrogen.
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| BIGHEARTEDLY | • bigheartedly adv. In a bighearted manner. • big-heartedly adv. Alternative form of bigheartedly.
 • BIGHEARTED adv. generous, charitable.
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| DEHYDRATIONS | • dehydrations n. Plural of dehydration. • DEHYDRATION n. loss or withdrawal of moisture.
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| DIATHERMANCY | • diathermancy n. The condition of being diathermic. • DIATHERMANCY n. permeability by or conductibility of radiant heat, also DIATHERMACY.
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| FARSIGHTEDLY | • farsightedly adv. In a farsighted manner. • FARSIGHTED adv. seeing or able to see to a great distance.
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| HEMIHYDRATED | • hemihydrated adj. (Chemistry) In the form of a hemihydrate. • HEMIHYDRATED adj. in the form of a hemihydrate.
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| HEMIHYDRATES | • hemihydrates n. Plural of hemihydrate. • HEMIHYDRATE n. a hydrate, such as plaster of paris, containing half a mole of water to one mole of the compound forming the hydrate.
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| HEREDITARILY | • hereditarily adv. In a hereditary manner. • hereditarily adv. With regard to inheritance.
 • HEREDITARY adv. genetically transmitted or transmittable from parent to offspring.
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| HYDRASTININE | • hydrastinine n. (Organic chemistry) A semisynthetic alkaloid resulting from the hydrolysis of hydrastine. • HYDRASTININE n. a colourless crystalline water-soluble compound whose pharmacological action resembles that of hydrastine.
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| HYDROELASTIC | • hydroelastic adj. (Physics) undergoing elastic deformation as the result of the flow of a fluid, especially that of water. • HYDROELASTIC adj. as in hydroelastic suspension, a system of car suspension in which a fluid provides interconnection between the front and rear suspension units.
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| HYDROPATHIES | • hydropathies n. Plural of hydropathy. • HYDROPATHY n. the study of treating diseases with water.
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| HYPERACIDITY | • hyperacidity n. The condition of being excessively acidic. • HYPERACIDITY n. the condition of containing more than the normal amount of acid.
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| PYRITOHEDRAL | • pyritohedral adj. Having the shape of pyrites. • pyritohedral adj. (Mathematics) Having the shape of a pyritohedron.
 • PYRITOHEDRAL adj. of or like a pyritohedron, a pentagonal dodecahedron.
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| RADIOTHERAPY | • radiotherapy n. The therapeutic use of ionizing radiation, almost exclusively used for the treatment of malignant disease. • RADIOTHERAPY n. treatment by radiation.
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| REHYDRATIONS | • rehydrations n. Plural of rehydration. • REHYDRATION n. the act of rehydrating.
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