15-letter words containing o, r, a, i, u
- horse latitudes — the latitudes near 30°N or 30°S at sea, characterized by baffling winds, calms, and high barometric pressure
- horticulturally — With respect to horticulture.
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- hunting leopard — the cheetah.
- huntington park — a city in SW California, near Los Angeles.
- hurdle champion — a hurdler who has defeated all others in a competition
- hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydrofracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- hyperfastidious — extremely or excessively fastidious
- hyperfunctional — of or relating to a function or functions: functional difficulties in the administration.
- 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.
- 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 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.
- indirect labour — work done in administration and sales rather than in the manufacturing of a product
- inertial fusion — a type of nuclear fusion in which the inertia of matter enables it to fuse by impact, as by pulses of laser radiation or high-energy charged particles, rather than by high temperature
- inquisitorially — In an inquisitorial manner.
- instrumentation — the arranging of music for instruments, especially for an orchestra.
- insubordinately — In an insubordinate manner.
- insubordination — the quality or condition of being insubordinate, or of being disobedient to authority; defiance: The employee was fired for insubordination.
- insurrectionary — of, relating to, or of the nature of insurrection.
- interfoliaceous — situated between leaves, especially opposite leaves.
- interjaculatory — expressed by interjaculating
- intermodulation — the production in an electrical device of frequencies that are the sums or differences of frequencies of different inputs or of their harmonics.
- interpopulation — Between populations.
- intrapopulation — occurring within a population or between members of a population
- involuntariness — The state of being involuntary; unwillingness; automatism.
- iridocapsulitis — inflammation of the iris and the capsule of the lens.
- john of austria — ("Don John") 1547?–78, Spanish naval commander and general: victor at the battle of Lepanto.
- joint favourite — one of two or more competitors in a race or contest that are considered equally likely to win
- journal bearing — a plain cylindrical bearing to support a shaft or axle
- judeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.
- juice extractor — device: squeezes juice from fruit
- 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.
- lateran council — any of the five ecumenical councils (1123, 1139, 1179, 1215, 1512–17) held in the Lateran Palace.
- leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
- lean production — Lean production is the same as lean manufacturing.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.
- linear equation — a first-order equation involving two variables: its graph is a straight line in the Cartesian coordinate system.
- linear function — linear transformation.
- 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.
- liquidity ratio — the ratio of those assets that can easily be exchanged for money to the total assets of a bank or other financial institution