9-letter words containing h, y, p, a
- hypethral — (of a classical building) wholly or partly open to the sky.
- hyphenate — to join by a hyphen.
- hypnoidal — characterizing a state that resembles mild hypnosis but that is usually induced by other than hypnotic means.
- hypobaric — (of an anesthetic) having a specific gravity lower than that of cerebrospinal fluid. Compare hyperbaric (def 1).
- hypobasis — the lowermost distinctively treated part of a base.
- hypoblast — the endoderm.
- hypocaust — a hollow space or system of channels in the floor or walls of some ancient Roman buildings that provided a central heating system by receiving and distributing the heat from a furnace.
- hypocracy — Misspelling of hypocrisy.
- hypoderma — hypodermis.
- hypomania — a mania of low intensity.
- hypomanic — Afflicted with a mild state of mania.
- hyponasty — increased growth along the lower surface of a plant or plant part, causing it to bend upward.
- hypophora — (rhetoric) A device in which the author poses a question which is in turn answered.
- hypopneas — Plural form of hypopnea.
- hypopnoea — Alternative spelling of hypopnea.
- hypospray — (science fiction) A kind of jet injector.
- hypostoma — Hypostome.
- hypotaxis — dependent relation or construction, as of clauses; syntactic subordination.
- hypotheca — (microbiology, planktology) The lower or posterior half of the theca of a thecate protist such as a diatom or dinoflagellate.
- hypotonia — An abnormal loss of muscle tone.
- hypoxemia — inadequate oxygenation of the blood.
- idiopathy — a disease not preceded or occasioned by any known morbid condition.
- keyphrase — (cryptography) A phrase used in encryption in the style of a keyword.
- kymograph — an instrument for measuring and graphically recording variations in fluid pressure, as those of the human pulse.
- lalopathy — any defect of speech.
- lymphatic — pertaining to, containing, or conveying lymph.
- lymphomas — Plural form of lymphoma.
- matchplay — Alternative form of match play.
- mayhappen — perhaps; mayhap.
- mayorship — the chief executive official, usually elected, of a city, village, or town.
- mazopathy — mazopathia.
- megaphyll — the relatively large type of leaf produced by ferns and seed plants
- melaphyre — a type of dark igneous rock embedded with feldspar crystals, related to basalt.
- metaphyte — a multicellular plant.
- monophagy — The feeding on a single type of food (e.g., a single plant species).
- myatrophy — myoatrophy.
- mycophagy — the eating of mushrooms
- myographs — Plural form of myograph.
- myomorpha — A major division of the rodents that includes the rats, mice, voles, hamsters, and their relatives.
- myopathic — Pertaining to myopathy.
- notaphily — the collecting of bank notes as a hobby.
- nymphaeum — a room or area having a fountain, statues, flowers, etc.
- nymphalid — a butterfly of the family Nymphalidae, comprising the brush-footed butterflies.
- orography — the branch of physical geography dealing with mountains.
- overhappy — too happy
- pachyderm — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- pachynema — the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes.
- pachytene — the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes.
- pamphylia — an ancient country in S Asia Minor: later a Roman province.
- panchayat — an elective village council in India.