15-letter words containing o, a, r, s, m
- hermaphroditism — the condition of being a hermaphrodite.
- heterosexualism — Discrimination of non-heterosexual people on the basis of their sexual orientation.
- hierogrammatist — a writer of hierograms, hierogrammate
- hopper casement — a casement with a sash hinged at the bottom.
- horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.
- 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.
- hydrodynamicist — a specialist in hydrodynamics.
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- 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.
- hypopituitarism — abnormally diminished activity of the pituitary gland, especially of the anterior lobe.
- 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.
- immunoadsorbent — immunosorbent.
- immunoreactions — Plural form of immunoreaction.
- importunateness — Quality of being importunate.
- improvisational — the art or act of improvising, or of composing, uttering, executing, or arranging anything without previous preparation: Musical improvisation involves imagination and creativity.
- improvisatorial — relating to an improvisator
- improvvisatrice — Alternative form of improvisatrice.
- in some measure — a unit or standard of measurement: weights and measures.
- 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.
- informativeness — giving information; instructive: an informative book.
- inspection arms — a position in military drill in which the missile chamber of a weapon is open for inspection.
- instrumentation — the arranging of music for instruments, especially for an orchestra.
- intercomparison — mutual comparison
- interparoxysmal — occurring in the period or periods between paroxysms.
- intervalometers — Plural form of intervalometer.
- inverted commas — Inverted commas are punctuation marks that are used in writing to show where speech or a quotation begins and ends. They are usually written or printed as ' ' or " ". Inverted commas are also sometimes used around the titles of books, plays, or songs, or around a word or phrase that is being discussed.
- isolated camera — a television camera used to isolate a subject, part of a sports play, etc., for instant replay.
- isoperimetrical — having equal perimeters
- isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
- jeffersonianism — pertaining to or advocating the political principles and doctrines of Thomas Jefferson, especially those stressing minimum control by the central government, the inalienable rights of the individual, and the superiority of an agrarian economy and rural society.
- jerusalem cross — a cross whose four arms are each capped with a crossbar and often with a small Greek cross centered in each quadrant.
- jerusalem thorn — See under Christ's-thorn.
- kelmscott manor — a Tudor house near Lechlade in Oxfordshire: home (1871–96) of William Morris
- kissing gourami — a whitish labyrinth fish, Helostoma temmincki, found in southeastern Asia, noted for the habit of pressing its fleshy, protrusible lips against those of another: often kept in aquariums.
- lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
- lamp-post error — fencepost error
- land of promise — Promised Land.
- largemouth bass — a North American freshwater game fish, Micropterus salmoides, having an upper jaw extending behind the eye and a broad, dark, irregular stripe along each side of the body. Compare smallmouth bass.
- lemon-grass oil — a yellowish to brownish oil distilled from the leaves of certain lemon grasses, especially Cymbopogon citratus, used chiefly in perfumery.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.
- levant wormseed — the dried, unexpanded flower heads of a wormwood, Artemisia cina (Levant wormseed) or the fruit of certain goosefoots, especially Chenopodium anthelminticum (or C. ambrosioides), the Mexican tea or American wormseed, used as an anthelmintic drug.
- lithochromatics — the art or process of painting in oil on stone and taking impressions from the result
- lomas de zamora — a city in E Argentina, S of Buenos Aires.
- macaroni cheese — Macaroni cheese is a dish made from macaroni and cheese sauce.
- macro-sociology — the sociological study of large-scale social systems and long-term patterns and processes.