15-letter words containing m, r, s
- hard-shell clam — quahog.
- harmonic series — a series in which the reciprocals of the terms form an arithmetic progression.
- health minister — a government minister who is responsible for health
- hemangiosarcoma — A fast-growing, highly invasive variety of cancer, a sarcoma arising from the lining of blood vessels, occurring almost exclusively in dogs and rarely in cats.
- hemochromatosis — a rare metabolic disorder characterized by a bronzed skin, cirrhosis, and severe diabetes, caused by the deposit in tissue, especially of the liver and pancreas, of hemosiderin and other pigments containing iron.
- hereditarianism — a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
- 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
- hip measurement — a measurement around the hips at the level of the buttocks used in clothing and assessing general health
- histomorphology — histology.
- hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
- 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.
- horner's method — a technique, involving successive substitutions, for approximating the real roots of an equation with real coefficients.
- housemistresses — Plural form of housemistress.
- 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.
- humanitarianism — humanitarian principles or practices.
- humanitarianist — humanitarian principles or practices.
- hydrodynamicist — a specialist in hydrodynamics.
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- hyperinsulinism — excessive insulin in the blood, resulting in hypoglycemia.
- 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.
- hyperparasitism — an organism that is parasitic on or in another parasite.
- hyperpotassemia — hyperkalemia.
- hypersomnolence — sleepy; drowsy.
- hyperthyroidism — overactivity of the thyroid gland.
- hypocortisolism — (medicine) A cortisol deficiency.
- hypopituitarism — abnormally diminished activity of the pituitary gland, especially of the anterior lobe.
- hystricomorphic — relating to a suborder of rodents
- 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.
- immeasurability — Immeasurableness.
- immensurability — The quality of being immensurable.
- 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.
- imperfect stage — a phase in the life cycle of certain fungi in which either no spores or asexual spores, as conidia, are produced.
- imperial bushel — a unit of dry measure containing 4 pecks, equivalent in the U.S. (and formerly in England) to 2150.42 cubic inches or 35.24 liters (Winchester bushel) and in Great Britain to 2219.36 cubic inches or 36.38 liters (Imperial bushel) Abbreviation: bu., bush.
- imperial system — a system of measurement units, including the foot, pound, and second, as well as miles and yards
- imperishability — not subject to decay; indestructible; enduring.
- imperscriptible — not supported by written authority
- imperviableness — the state of being imperviable
- importunateness — Quality of being importunate.
- impregnableness — The state of being impregnable; impregnability.
- imprescriptable — Alt form imprescriptible.