15-letter words containing e, s, r, o
- horse latitudes — the latitudes near 30°N or 30°S at sea, characterized by baffling winds, calms, and high barometric pressure
- horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
- horsepower-hour — a foot-pound-second unit of energy or work, equal to the work done by a mechanism with a power output of one horsepower over a period of one hour.
- hospital corner — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
- host-host layer — transport layer
- hostess trolley — a trolley, usually wheeled, on which to keep food warm until the hostess is ready to serve it
- house of prayer — house of God.
- housemistresses — Plural form of housemistress.
- housing project — a publicly built and operated housing development, usually intended for low- or moderate-income tenants, senior citizens, etc.
- hovering vessel — a vessel in territorial waters apparently collaborating in illicit operations.
- hughes syndrome — a condition of the autoimmune system caused by antibodies reacting against phospholipids, leading to thrombosis
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- human resources — (used with a plural verb) people, especially the personnel employed by a given company, institution, or the like.
- hundred flowers — the 1957 political campaign in the People's Republic of China to encourage greater freedom of intellectual expression, initiated by Mao Zedong under the slogan “Let a hundred flowers bloom, let a hundred schools of thought contend.”.
- huntingdonshire — a former county in E England, now part of Cambridgeshire.
- hyperbolic sine — one of a group of functions of an angle expressed as a relationship between the distances of a point on a hyperbola to the origin and to the coordinate axes; sinh
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- hyperfastidious — extremely or excessively fastidious
- hypergalactosis — an abnormally large secretion of milk.
- hypermetabolism — Biology, Physiology. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Compare anabolism, catabolism.
- hyperovarianism — precocious sexuality in girls due to abnormally heavy ovarian secretion.
- hyperpotassemia — hyperkalemia.
- hyperresponsive — responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
- hypersalivation — the act or process of salivating.
- hypersomnolence — sleepy; drowsy.
- hyperthyroidism — overactivity of the thyroid gland.
- hypochondriases — Plural form of hypochondriasis.
- hypocrystalline — (of igneous rocks) having both glass and crystalline components
- hysteresis loop — a closed curve showing the variation of the magnetic flux density of a ferromagnetic material with the external magnetic field producing it, when this field is changed through a complete cycle
- hysteresis loss — the loss of energy by conversion to heat in a system exhibiting hysteresis.
- ibero-maurusian — of or relating to an Epipaleolithic culture of northwestern Africa that preceded the Capsian culture and was once erroneously thought to have originated in southwestern Europe; characterized by the use of backed bladelets, occupation of the maritime plain, and the hunting of the Barbary sheep.
- ignition source — An ignition source is a process or event which can cause a fire or explosion.
- illustriousness — The state of being illustrious.
- immune response — any of the body's immunologic reactions to an antigen.
- immunoadsorbent — immunosorbent.
- immunochemistry — the study of the chemistry of immunologic substances and reactions.
- immunoreactions — Plural form of immunoreaction.
- importunateness — Quality of being importunate.
- impressionistic — a person who follows or adheres to the theories, methods, and practices of impressionism, especially in the fields of painting, music, or literature.
- improvvisatrice — Alternative form of improvisatrice.
- in conversation — If you say that people are in conversation, you mean that they are talking together.
- in one's tracks — a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
- in some measure — a unit or standard of measurement: weights and measures.
- in the doldrums — miserable, depressed
- in vino veritas — in wine there is truth; people speak the truth when they are drunk
- in your dreams! — You say `In your dreams!' when you think that what someone wants is never going to happen or be true.
- incommensurable — not commensurable; having no common basis, measure, or standard of comparison.
- incommensurably — In an incommensurable manner; immeasurably.
- incomprehension — lack of comprehension or understanding: The audience listened politely but with incomprehension.
- incomprehensive — not comprehensive.