15-letter words containing o, s, m, u
- homogeneousness — (rare) homogeneity, the state of having a uniform composition.
- homosexualities — Plural form of homosexuality.
- honeymoon suite — a luxurious suite in a hotel designed for honeymooners
- 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.
- 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.
- humidifications — Plural form of humidification.
- hump one's swag — (of a tramp) to carry one's belongings from place to place on one's back
- humpback salmon — a pink salmon inhabiting North Pacific waters: so-called because of the hump that appears behind the head of the male when it is ready for spawning.
- hypoinsulinemia — (medicine) An abnormally low level of insulin in the blood.
- hypoinsulinemic — Having hypoinsulinemia.
- 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.
- ignominiousness — The state or quality of being ignominious.
- image-conscious — concerned about the way one comes across to other people and the impression one creates
- immune response — any of the body's immunologic reactions to an antigen.
- immunoadsorbent — immunosorbent.
- immunoassayable — Suitable for immunoassay.
- immunochemistry — the study of the chemistry of immunologic substances and reactions.
- immunodiagnosis — serodiagnosis.
- immunodiffusion — any of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate.
- immunoglobulins — Plural form of immunoglobulin.
- immunohistology — the microscopic study of tissues with the aid of antibodies that bind to tissue components and reveal their presence.
- immunoreactions — Plural form of immunoreaction.
- immunostimulant — (immunology, pharmacology) Any substance that stimulates an immune response.
- impecuniousness — The property of being impecunious.
- importunateness — Quality of being importunate.
- in some measure — a unit or standard of measurement: weights and measures.
- in the doldrums — miserable, depressed
- 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.
- inhomogeneously — lack of homogeneity.
- instrumentation — the arranging of music for instruments, especially for an orchestra.
- isoimmunization — the development of isoantibodies within an individual in order to protect against antigens derived from a different member of the same species
- isotopic number — the number of neutrons minus the number of protons in an atomic nucleus.
- isthmus of suez — a strip of land in NE Egypt, between the Mediterranean and the Red Sea: links Africa and Asia and is crossed by the Suez Canal
- 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.
- jukebox musical — a musical play or film that is based around a series of well-known popular songs
- junior minister — politics
- jus postliminii — postliminy.
- 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.
- 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.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.
- leukaemogenesis — the development of leukaemia
- linguistic form — any meaningful unit of speech, as a sentence, phrase, word, morpheme, or suffix.
- little missouri — a river in the NW United States, rising in NE Wyoming and flowing NE into the Missouri through N Dakota. 560 miles (900 km) long.