14-letter words containing l, a, t, e, r
- old-line party — either the Liberal Party or the Conservative Party
- olfactory lobe — the anterior part of each cerebral hemisphere, involved with olfactory functions.
- omphalocentric — Overly introspective and inclined to navel-gazing.
- oneirocritical — an interpreter of dreams.
- open-reel tape — audiotape, usually 1/4 inch (64 mm) wide, wound on a single reel and requiring a separate take-up reel for playing or recording.
- operationalise — Alternative spelling of operationalize.
- operationalism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- operationalist — a person who adheres to operationalism
- operationalize — Put into operation or use.
- ophthalmometer — an instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye, used chiefly for determining the presence and degree of astigmatism.
- ophthalmometry — the measurement and determination of the eye's defects and powers of refraction
- optical isomer — any of two or more isomers exhibiting optical isomerism.
- oracle toolkit — Adaptable User Interface
- oral eroticism — libidinal pleasure derived from the lips and mouth, for example by kissing
- orbital sander — a sander that uses a section of sandpaper clamped to a metal pad that moves at high speed in a very narrow orbit, driven by an electric motor.
- organometallic — pertaining to or noting an organic compound containing a metal or a metalloid linked to carbon.
- oriental poppy — a poppy, Papaver orientale, of Asia, having bristly stems and leaves and showy scarlet, pink, or white flowers, cultivated as an ornamental.
- oriental topaz — a variety of corundum resembling topaz in colour and used as a gemstone
- orthomolecular — being or pertaining to the treatment of disease by increasing, decreasing, or otherwise controlling the intake of natural substances, especially vitamins. Compare megavitamin (def 1).
- orthonormalize — (mathematics) To make a set of vectors both orthogonal and normalized.
- osmoregulation — the process by which cells and simple organisms maintain fluid and electrolyte balance with their surroundings.
- osmoregulatory — Of or pertaining to osmoregulation.
- outer mongolia — a region in Asia including Inner Mongolia of China and the Mongolian People's Republic.
- outgeneralling — Present participle of outgeneral.
- over-stimulate — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- over-tolerance — a fair, objective, and permissive attitude toward those whose opinions, beliefs, practices, racial or ethnic origins, etc., differ from one's own; freedom from bigotry.
- overallocation — Excess allocation.
- overallotments — Plural form of overallotment.
- overanalytical — too analytical
- overcapitalize — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- overcautiously — in such a way as to be too cautious, wary, or careful
- overcentralize — to centralize excessively
- overcomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- overevaluation — an act or instance of evaluating or appraising.
- overhead light — a light which throws light downwards by being situated on the ceiling or having a downward shade, etc
- overland stage — a stagecoach used in the western U.S. during the middle of the 19th century.
- overland trail — any of various routes traveled by settlers from the Missouri River to Oregon and California beginning in the 1840s.
- overmodulation — excessive amplitude modulation, resulting in distortion of a signal.
- overparticular — precise beyond necessity
- overpopulation — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
- overregulation — a law, rule, or other order prescribed by authority, especially to regulate conduct.
- owlet nightjar — any of several birds of the family Aegothelidae, of Australia and Papua New Guinea, related to the nightjars but resembling small owls.
- ownership flat — a flat owned by the occupier
- paddle steamer — a vessel propelled by paddle wheels and driven by steam.
- painted turtle — a freshwater turtle, Chrysemys picta, common in the U.S., having bright yellow markings on the head and neck and red markings on the margin of the carapace.
- palaeanthropic — relating to or denoting the earliest variety of man
- paleoanthropic — pertaining to prehistoric humans.
- paleontography — the formal description of fossils
- palmatipartite — having leaves that are laterally divided halfway to the petiole
- pamphleteering — the occupation of a pamphleteer