14-letter words containing o, n, a, p
- lantern pinion — a wheel, used like a pinion, consisting essentially of two parallel disks or heads whose peripheries are connected by a series of bars that engage with the teeth of another wheel.
- lap microphone — a small microphone that may be clipped to the speaker's lapel, pocket, or the like.
- laryngopharynx — the lower part of the pharynx, above the larynx.
- laryngoscopies — Plural form of laryngoscopy.
- latency period — Psychoanalysis. the stage of personality development, extending from about four or five years of age to the beginning of puberty, during which sexual urges appear to lie dormant.
- lawson cypress — Port Orford cedar.
- le misanthrope — a comedy (1666) by Molière.
- lead poisoning — Pathology. a toxic condition produced by ingestion, inhalation, or skin absorption of lead or lead compounds, resulting in various dose-related symptoms including anemia, nausea, muscle weakness, confusion, blindness, and coma. Also called plumbism, saturnism. this condition occurring in adults whose work involves contact with lead products.
- leamington spa — a city in Warwickshire, central England: health resort.
- leopard's-bane — any composite plant of the genus Doronicum, of Europe and Asia, having alternate, usually clasping leaves and heads of yellow flowers.
- lepontine alps — a range of the S central Alps, in S Switzerland and N Italy. Highest peak: Monte Leone, 3553 m (11 657 ft)
- leptomeningeal — (anatomy) Of or pertaining to the leptomeninges.
- leucocytopenia — leucopenia
- leukocytopenia — a decrease in the number of white blood cells in the blood.
- lexington park — a town in S Maryland.
- lindelof space — a topological space having the property that every cover consisting of open sets has a subcover consisting of a countable number of subsets.
- linen cupboard — airing cupboard
- listed company — A listed company is a company whose shares are quoted on a stock exchange.
- livery company — a distinctive uniform, badge, or device formerly provided by someone of rank or title for his retainers, as in time of war.
- loan repayment — a repayment of part of a loan, usually monthly
- locker-lampson — Frederick (Frederick Locker) 1821–95, English poet.
- london company — a company, chartered in England in 1606 to establish colonies in America, that founded Jamestown, Va., in 1607.
- lopping shears — long-handled pruning shears.
- louangphrabang — a city in N Laos, on the Mekong River: former royal capital.
- louis napoleon — (Louis Napoleon; Charles Louis Napoleon Bonaparte) [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1808–73, president of France 1848–52, emperor of France 1852–70 (nephew of Napoleon I).
- luminous paint — paint containing a phosphor that emits visible light when irradiated with ultraviolet light.
- lymphangiogram — an X-ray of the lymphatic system taken after a contrast agent has been injected, often used to diagnose lymphoma
- lymphoglandula — (anatomy) An alternative name for a lymph node.
- lyophilisation — Alternative spelling of lyophilization.
- lyophilization — (of tissue, blood, serum, or the like) to dry by freezing in a high vacuum.
- machine pistol — a fully automatic pistol; submachine gun.
- macrosporangia — Plural form of macrosporangium.
- magnetic epoch — a geologically long period of time during which the magnetic field of the earth retains the same polarity. The magnetic field may reverse during such a period for a geologically short period of time (a magnetic event)
- magnetooptical — Having both magnetic and optical elements.
- magnetospheres — Plural form of magnetosphere.
- magnetospheric — Of, pertaining to, or happening within the magnetosphere.
- malapportioned — (of a state or other political unit) poorly apportioned, especially divided, organized, or structured in a manner that prevents large sections of a population from having equitable representation in a legislative body.
- maldevelopment — malformation
- male menopause — a malaise that allegedly affects men in middle age and is said to be responsible for periods of emotional upset and uncharacteristic behavior.
- mangrove swamp — a coastal marine swamp of tropical or subtropical regions that is dominated by mangrove trees.
- manitoba maple — a Canadian fast-growing variety of maple
- map projection — a projecting or protruding part. Synonyms: overhang, protrusion, jut.
- marathon group — an encounter group that meets for an extended period of time, as eight hours to a week, in the belief that the resultant intensity and intimacy will lead to a more open expression of feelings.
- marsupial bone — epipubis.
- meadow parsnip — any North American plant belonging to the genus Thaspium, of the parsley family, having yellow or purple flowers.
- mechanotherapy — curative treatment by mechanical means.
- megasporangium — a sporangium containing megaspores.
- melanospermous — having dark spores, as certain seaweeds.
- membranophones — Plural form of membranophone.
- memory mapping — a technique whereby computer peripherals may be addressed as though they formed part of the main memory of the computer