9-letter words containing h, o, a, r
- hortatory — urging to some course of conduct or action; exhorting; encouraging: a hortatory speech.
- hortensia — Hydrangea.
- hospodars — Plural form of hospodar.
- hot water — trouble; a predicament: His skipping classes will get him into real hot water when exam time comes.
- hour hand — the hand that indicates the hours on a clock or watch.
- hourglass — an instrument for measuring time, consisting of two bulbs of glass joined by a narrow passage through which a quantity of sand or mercury runs in just an hour.
- hourplate — the dial of a clock or watch
- housecarl — a member of the household troops or bodyguard of a Danish or early English king or noble.
- houseware — Homeware.
- humorally — in a humoral manner or from a humoral point of view
- hurricano — (obsolete) A waterspout; a hurricane.
- hyalomere — the transparent part of a blood platelet, surrounding the chromomere.
- hybridoma — a hybrid cell made in the laboratory by fusing a normal cell with a cancer cell, usually a myeloma or lymphoma, in order to combine desired features of each, as the ability of the cancer cell to multiply rapidly with the ability of the normal cell to dictate the production of a specific antibody.
- hydration — any of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na 2 CO 3 ⋅10H 2 O, the water is loosely held and is easily lost on heating; in others, as sulfuric acid, SO 3 ⋅H 2 O, or H 2 SO 4 , it is strongly held as water of constitution.
- hydrazoic — noting or pertaining to hydrazoic acid; triazoic.
- hydrazone — any of a class of compounds containing the group >C=NNH 2 .
- hydrocast — a process in which water is collected at various depths in a device with bottles clamped together, providing data on differing water characteristics.
- hydrolant — an urgent warning of navigational dangers in the Atlantic Ocean, issued by the U.S. Navy Hydrographic Office.
- hydrolase — an enzyme that catalyzes hydrolysis.
- hydronaut — a person trained to work in deep-sea vessels for research and rescue purposes.
- hydrosoma — hydrosome.
- hydrostat — an electrical device for detecting the presence of water, as from overflow or leakage.
- hydrovane — a vane on a seaplane conferring stability on water (a sponson) or facilitating take off (a hydrofoil)
- hydrozoan — any freshwater or marine coelenterate of the class Hydrozoa, including free-swimming or attached types, as the hydra, in which one developmental stage, either the polyp or medusa, is absent, and colonial types, as the Portuguese man-of-war, in which both medusa and polyp stages are present in a single colony.
- hygrogram — the record made by a hygrograph.
- hygrostat — an instrument for measuring and controlling humidity.
- hyperbola — the set of points in a plane whose distances to two fixed points in the plane have a constant difference; a curve consisting of two distinct and similar branches, formed by the intersection of a plane with a right circular cone when the plane makes a greater angle with the base than does the generator of the cone. Equation: x 2 /a 2 − y 2 /b 2 = ±1.
- hypernova — (astronomy) The gravitational collapse of a massive star to form a black hole.
- hyperopia — a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
- hyperoxia — (pathology) A condition caused by an excess of oxygen in tissues and organs.
- hypobaric — (of an anesthetic) having a specific gravity lower than that of cerebrospinal fluid. Compare hyperbaric (def 1).
- hypocracy — Misspelling of hypocrisy.
- hypoderma — hypodermis.
- hypophora — (rhetoric) A device in which the author poses a question which is in turn answered.
- hypospray — (science fiction) A kind of jet injector.
- ideograph — an ideogram.
- idiograph — a mark or signature characteristic of a particular person, organization, etc.; trademark. Compare logotype (def 2).
- inhabitor — One who inhabits.
- inhalator — an apparatus designed to mix carbon dioxide and oxygen, especially for use in artificial respiration.
- inharmony — Lack of harmony.
- iron hand — strict or harsh control: The general governed the country with an iron hand.
- jargonish — jargonistic
- job share — If two people job share, they share the same job by working part-time, for example one person working in the mornings and the other in the afternoons.
- job-share — to share the responsibility and duties of a single full-time job with one or more other employees.
- kantharos — a deep bowl set upon a stem terminating in a foot and having two handles rising from the brim and curving downward to join the body.
- karpathos — an island off the SE coast of Greece, part of the Dodecanese Islands, in the Aegean Sea. 110 sq. mi. (280 sq. km).
- khouribga — a city in W central Morocco.
- kumarahou — a shrub, Pomaderris kumeraho, found in the north of New Zealand's North Island, the flowers of which produce a soap-like lather when rubbed
- kurchatov — Igor Vasilievich [ee-guh r-vuh-syee-lyi-vyich] /ˈi gər vʌˈsyi lyɪ vyɪtʃ/ (Show IPA), 1903–60, Soviet nuclear physicist.
- kymograph — an instrument for measuring and graphically recording variations in fluid pressure, as those of the human pulse.