12-letter words containing n, a, p, o
- median point — centroid (def 2).
- meganthropus — a proposed genus of extinct, late lower Pleistocene primates based on two large lower jaws found in Java, and believed to be either Australopithecine or human.
- melanophores — Plural form of melanophore.
- melanotropin — MSH.
- meroplankton — a floating mass of eggs and larvae of organisms that are nektonic or benthic in their adult stage; temporary plankton.
- mesoappendix — the mesentery of the vermiform appendix.
- mesoplankton — plankton that live at middle depths.
- mesopotamian — an ancient region in W Asia between the Tigris and Euphrates rivers: now part of Iraq.
- metallophone — any musical instrument consisting of a graduated series of metal bars that may either be struck by hammers operated manually or played with a keyboard.
- metropolitan — of, noting, or characteristic of a metropolis or its inhabitants, especially in culture, sophistication, or in accepting and combining a wide variety of people, ideas, etc.
- micropayment — A very small payment made each time a user accesses an Internet page or service.
- microplanner — A subset of PLANNER, implemented in Lisp by Gerald Sussman et al at MIT. Its important features were goal-oriented, pattern-directed procedure invocation, an embedded knowledge base, and automatic backtracking. microPLANNER was superseded by Conniver.
- millilampson — /mil'*-lamp"sn/ A unit of talking speed, abbreviated mL. Most people run about 200 milliLampsons. The eponymous Butler Lampson (a CS theorist and systems implementor highly regarded among hackers) goes at 1000. A few people speak faster. This unit is sometimes used to compare the (sometimes widely disparate) rates at which people can generate ideas and actually emit them in speech. For example, noted computer architect C. Gordon Bell (designer of the PDP-11) is said, with some awe, to think at about 1200 mL but only talk at about 300; he is frequently reduced to fragments of sentences as his mouth tries to keep up with his speeding brain.
- minor planet — asteroid (def 1).
- mirror plant — a shrub, Coprosma repens, of the madder family, native to New Zealand and cultivated in warm regions, having glossy, often variegated leaves.
- misanthropes — Plural form of misanthrope.
- misanthropic — of, relating to, or characteristic of a misanthrope.
- misoperation — an act or instance, process, or manner of functioning or operating.
- mole mapping — the procedure of using a digital camera to record the positions and appearances of moles on a person's body so that regular checks will detect any changes that might lead to skin cancer
- mona passage — a strait between Hispaniola and Puerto Rico. 80 miles (129 km) wide.
- monadelphous — (of stamens) united into one bundle or set by their filaments.
- money player — a person who performs best under pressure, especially in a competitive situation.
- monocephalic — bearing one flower head, as the dandelion.
- monodelphian — any placental mammal that is a member of the group Monodelphia
- monographing — Present participle of monograph.
- monopetalous — gamopetalous.
- monosepalous — gamosepalous.
- monosynaptic — having or relating to a sole synapse
- montparnasse — a district in S Paris, France, on the left bank of the Seine: noted for its cafés and the artists and writers who have frequented and lived in the area.
- morphosyntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- moss campion — cushion pink.
- mount pisgah — the mountain slopes to the northeast of the Dead Sea, from one of which, Mount Nebo, Moses viewed Canaan
- mountain top — the top of a natural upward projection of the earth's surface, higher and steeper than a hill and often having a rocky summit
- mountaintops — Plural form of mountaintop.
- name-dropper — a person who indulges in name-dropping.
- nanocomputer — (architecture) /nan'oh-k*m-pyoo'tr/ A computer with molecular-sized switching elements. Designs for mechanical nanocomputers which use single-molecule sliding rods for their logic have been proposed. The controller for a nanobot would be a nanocomputer. Some nanocomputers can also be called quantum computers because quantum physics plays a major role in calculations. Richard P. Feynman is still cited today for his work in this area.
- nanoparticle — a microscopic particle of matter that is measured on the nanoscale, usually one that measures less than 100 nanometers.
- nanoplankton — nannoplankton.
- napoleon iii — (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).
- narcotherapy — an infrequently used method of treating mental disorders by intravenous injection of barbiturates.
- naturopathic — (alternative medicine) Of or pertaining to naturopathy or to naturopaths.
- necrographer — a person who writes obituaries
- necrophagous — That eats dead or decaying animal flesh.
- necrophiliac — an erotic attraction to corpses.
- neencephalon — the more recent part of the brain in the evolutionary development of animals, including the cerebral cortex and its related structures.
- neoanthropic — neanthropic.
- neoplatonism — a philosophical system, originated in the 3rd century a.d. by Plotinus, founded chiefly on Platonic doctrine and Eastern mysticism, with later influences from Christianity. It holds that all existence consists of emanations from the One with whom the soul may be reunited.
- neoplatonist — a philosophical system, originated in the 3rd century a.d. by Plotinus, founded chiefly on Platonic doctrine and Eastern mysticism, with later influences from Christianity. It holds that all existence consists of emanations from the One with whom the soul may be reunited.
- nephrography — Diagnostic imaging of the kidneys.
- nephropathic — characterized by or relating to nephropathy