| BATHYSPHERES | • bathyspheres n. Plural of bathysphere. • BATHYSPHERE n. a submersible observation chamber.
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| HABERDASHERY | • haberdashery n. Ribbons, buttons, thread, needles and similar sewing goods sold in a haberdasher’s shop. • haberdashery n. A shop selling such goods.
 • haberdashery n. A shop selling clothing and accessories for men, including hats.
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| HEMERYTHRINS | • hemerythrins n. Plural of hemerythrin. • HEMERYTHRIN n. an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates.
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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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| HEXAHYDRATES | • hexahydrates n. Plural of hexahydrate. • HEXAHYDRATE n. a chemical compound with six molecules of water.
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| HYDROSPHERES | • hydrospheres n. Plural of hydrosphere. • HYDROSPHERE n. the water of the earth.
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| HYMENOPHORES | • hymenophores n. Plural of hymenophore. • HYMENOPHORE n. the fruiting body of some basidiomycetous fungi.
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| HYPERCHARGES | • hypercharges n. Plural of hypercharge. • HYPERCHARGE v. to charge excessively, to overload.
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| HYPERSTHENES | • hypersthenes n. Plural of hypersthene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron.
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| HYPERSTHENIA | • hypersthenia n. (Pathology, archaic) A morbid condition marked by excessive excitement of all the vital phenomena. • HYPERSTHENIA n. a morbid condition marked by excessive excitement of all the vital phenomena.
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| HYPERSTHENIC | • hypersthenic adj. (Mineralogy) Composed of, or containing, hypersthene. • hypersthenic adj. Having or relating to hypersthenia.
 • hypersthenic n. A person who has hypersthenia.
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| HYPOTHESISER | • hypothesiser n. Alternative form of hypothesizer. • HYPOTHESISER n. one who hypothesises, also HYPOTHESIZER.
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| HYPOTHESIZER | • hypothesizer n. A person who hypothesizes. • hypothesizer n. (Computing) Any of several systems that attempt to make educated guesses from incomplete information.
 • HYPOTHESIZER n. one who hypothesizes, also HYPOTHESISER.
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| PHYLLOSPHERE | • phyllosphere n. (Biology) The above-ground surface of plants, viewed as a habitat for microorganisms. • PHYLLOSPHERE n. the surface of a leaf considered as a habitat, esp. for microorganisms.
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| SHELLFISHERY | • shellfishery n. A place where shellfish are caught or processed. • shellfishery n. (Uncountable) The catching of shellfish.
 • SHELLFISHERY n. a commercially exploited population of shellfish.
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