15-letter words containing r, o, m, u
- 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.
- humphrey bogart — Humphrey (DeForest) ("Bogie"or"Bogey") 1899–57, U.S. motion-picture actor.
- hurdle champion — a hurdler who has defeated all others in a competition
- hybrid computer — a computer system containing both analog and digital hardware.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydrometallurgy — the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
- hydroxonium ion — a positive ion, H3O+, formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- 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.
- 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.
- immunomodulator — a substance that affects the functioning of the immune system
- immunoreactions — Plural form of immunoreaction.
- 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.
- inch of mercury — a unit of atmospheric pressure, being the pressure equal to that exerted by a column of mercury one inch high under standard conditions of temperature and gravity: 33.864 millibars. Abbreviation: in. Hg.
- incommensurable — not commensurable; having no common basis, measure, or standard of comparison.
- incommensurably — In an incommensurable manner; immeasurably.
- induction motor — a type of electric motor in which alternating current from a power source is fed through a primary winding and induces a current in a secondary winding, with the parts arranged so that the resulting magnetic field causes a movable rotor to rotate with respect to a fixed stator.
- infundibuliform — having the shape of a funnel; funnel-shaped.
- instrumentation — the arranging of music for instruments, especially for an orchestra.
- intermodulation — the production in an electrical device of frequencies that are the sums or differences of frequencies of different inputs or of their harmonics.
- isotopic number — the number of neutrons minus the number of protons in an atomic nucleus.
- 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.
- job requirement — a quality or qualification that you must have in order to be suitable for a certain job
- junior minister — politics
- juxtaglomerular — (anatomy) Near, or adjoining a renal glomerulus.
- 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.
- laptop computer — portable computer
- 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.
- lavatory humour — humour characterized by excessive mention of lavatories and the excretory functions; vulgar or scatological humour
- leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.
- linear momentum — force or speed of movement; impetus, as of a physical object or course of events: The car gained momentum going downhill. Her career lost momentum after two unsuccessful films.
- 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.
- lobar pneumonia — pneumonia (def 2).
- lord of misrule — (in England) a person formerly chosen to direct the Christmas revels and sports.
- luminous energy — light1 (def 2a).
- lymphogranuloma — any of certain diseases characterized by granulomatous lesions of lymph nodes.
- macro-structure — the gross structure of a metal, as made visible to the naked eye by deep etching.
- macroprudential — Of or pertaining to systemic prudence, especially to the strengths and vulnerabilities of financial systems.
- macrosporangium — megasporangium.
- macrostructural — relating to or resembling a macrostructure