| BATHYSPHERES | • bathyspheres n. Plural of bathysphere. • BATHYSPHERE n. a submersible observation chamber. |
| 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. |
| HEMERYTHRINS | • hemerythrins n. Plural of hemerythrin. • HEMERYTHRIN n. an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates. |
| 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. |
| HEXAHYDRATES | • hexahydrates n. Plural of hexahydrate. • HEXAHYDRATE n. a chemical compound with six molecules of water. |
| HYDROSPHERES | • hydrospheres n. Plural of hydrosphere. • HYDROSPHERE n. the water of the earth. |
| HYMENOPHORES | • hymenophores n. Plural of hymenophore. • HYMENOPHORE n. the fruiting body of some basidiomycetous fungi. |
| HYPERCHARGES | • hypercharges n. Plural of hypercharge. • HYPERCHARGE v. to charge excessively, to overload. |
| HYPERSTHENES | • hypersthenes n. Plural of hypersthene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron. |
| 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. |
| HYPERSTHENIC | • hypersthenic adj. (Mineralogy) Composed of, or containing, hypersthene. • hypersthenic adj. Having or relating to hypersthenia. • hypersthenic n. A person who has hypersthenia. |
| HYPOTHESISER | • hypothesiser n. Alternative form of hypothesizer. • HYPOTHESISER n. one who hypothesises, also HYPOTHESIZER. |
| 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. |
| 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. |
| 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. |