| BATHYSPHERE | • bathysphere n. A spherical steel deep-diving chamber with perspex windows, in which persons are lowered to the depths… • BATHYSPHERE n. a submersible observation chamber. |
| CHAMAEPHYTE | • chamaephyte n. (Botany) Any low perennial plant whose buds overwinter just above soil level. • CHAMAEPHYTE n. a winter-flowering plant. |
| HELIOPHYTES | • heliophytes n. Plural of heliophyte. • HELIOPHYTE n. a plant flourishing in sunlight. |
| HETEROPHONY | • heterophony n. (Music) The simultaneous performance by a number of singers or musicians of two or more versions of the same melody. • HETEROPHONY n. an independent variation on a single melody by two or more voices. |
| HYDROSPHERE | • hydrosphere n. All the liquid waters of the Earth, as distinguished from the land and the gases of the atmosphere. • HYDROSPHERE n. the water of the earth. |
| HYMENOPHORE | • hymenophore n. (Mycology) The part of a fungus fruiting body which produces spore-bearing cells. • HYMENOPHORE n. the fruiting body of some basidiomycetous fungi. |
| HYPERCHARGE | • hypercharge n. (Physics) Short for hyperonic charge: a quantum characteristic of a group of subatomic particles governed… • HYPERCHARGE v. to charge excessively, to overload. |
| HYPERSTHENE | • hypersthene n. (Mineralogy) An inosilicate that is an orthorhombic pyroxene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron. |
| HYPERTHERMY | • HYPERTHERMY n. an extremely high fever, with a temperature of 41 degrees Centigrade or above, also HYPERPYREXIA. |
| HYPESTHESIA | • hypesthesia n. Alternative spelling of hypoesthesia. • HYPESTHESIA n. a reduced sensibility to touch, also HYPAESTHESIA. |
| HYPESTHESIC | • hypesthesic adj. Alternative form of hypoesthesic. • HYPESTHESIC adj. showing hypesthesia, a reduced sensibility to touch. |
| HYPHAERESES | Sorry, definition not available. |
| HYPHAERESIS | Sorry, definition not available. |
| HYPOTHECATE | • hypothecate v. (Transitive) To pledge (something) as surety for a loan; to pawn, mortgage. • hypothecate v. (Politics, Britain) To designate a new tax or tax increase for a specific expenditure. • hypothecate v. (Australia) To designate in advance the specific purpose of expenditure for government revenues (especially taxes). |
| HYPOTHENUSE | • hypothenuse n. Dated form of hypotenuse. • HYPOTHENUSE n. the longest side of a right-angled triangle, also HYPOTENUSE. |
| HYPOTHESISE | • hypothesise v. Non-Oxford British spelling standard spelling of hypothesize. • HYPOTHESISE v. to form a hypothesis, also HYPOTHESIZE, HYPOTHETISE, HYPOTHETIZE. |
| HYPOTHESIZE | • hypothesize v. (Transitive, intransitive) To assume or assert tentatively on uncertain grounds. • HYPOTHESIZE v. to make a hypothesis, also HYPOTHESISE, HYPOTHETISE, HYPOTHETIZE. |
| HYPOTHETISE | • hypothetise v. Alternative form of hypothesize. • HYPOTHETISE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETIZE. |
| HYPOTHETIZE | • hypothetize v. Alternative form of hypothesize. • HYPOTHETIZE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETISE. |
| THEROPHYTES | • therophytes n. Plural of therophyte. • THEROPHYTE n. a plant that overwinters as a seed. |