12-letter words containing o, p, e, n, a, i
- kinesophobia — Fear of movement.
- kinetography — a camera for taking pictures for a kinetoscope.
- kinetoplasts — Plural form of kinetoplast.
- kitchen soap — heavy-duty soap intended for use in the kitchen
- kleptomaniac — a person who has kleptomania.
- lactoprotein — any protein existing in milk.
- lake nipigon — a lake in central Canada, in NW Ontario, draining into Lake Superior via the Nipigon River. Area: 4843 sq km (1870 sq miles)
- lapped joint — a joint made by placing one member over another and fastening them together
- leapfrogging — Present participle of leapfrog.
- lepidomelane — (mineralogy) A black iron-potash mica, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales.
- lepidopteran — lepidopterous.
- lipoproteina — a plasma lipoprotein containing protein and cholesterol, high levels of which are associated with atherosclerosis.
- lipoxygenase — (enzyme) Any of a class of enzymes that catalyse the oxidation of polyunsaturated fatty acids.
- liverpolitan — a native or inhabitant of Liverpool
- longipennate — (of birds) having long slender wings or feathers
- machine shop — a workshop in which metal and other substances are cut, shaped, etc., by machine tools.
- magnetooptic — pertaining to the effect of magnetism upon the propagation of light.
- marimbaphone — (obsolete, music) A kind of percussion idiophone, like the marimba but with steel keys instead of wood, developed in early 20th century United States.
- marine corps — a branch of the U.S. Armed Forces trained for land, sea, and air combat, typically for land combat in conjunction with an amphibious or airborne landing, and whose commandant is responsible to the secretary of the navy.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- media person — a person who works in the mass media
- median point — centroid (def 2).
- melanotropin — MSH.
- mesoappendix — the mesentery of the vermiform appendix.
- mesopotamian — an ancient region in W Asia between the Tigris and Euphrates rivers: now part of Iraq.
- 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.
- minor planet — asteroid (def 1).
- misanthropes — Plural form of 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
- monocephalic — bearing one flower head, as the dandelion.
- monodelphian — any placental mammal that is a member of the group Monodelphia
- nanoparticle — a microscopic particle of matter that is measured on the nanoscale, usually one that measures less than 100 nanometers.
- 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).
- necrophiliac — an erotic attraction to corpses.
- 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.
- nephropathic — characterized by or relating to nephropathy
- nepotistical — Nepotistic.
- neuropathies — Plural form of neuropathy.
- neuropathist — a specialist in treating diseases of the nervous system; a neurologist
- neuroplastic — Of or pertaining to neuroplasticity.
- neurotypical — relating to or showing typical neurological behavior and development: She has one dyslexic and one neurotypical child.
- non-empathic — of, relating to, or characterized by empathy, the psychological identification with the feelings, thoughts, or attitudes of others: a sensitive, empathetic school counselor.
- nonempirical — derived from or guided by experience or experiment.
- nonexpansile — Not expansile.
- nonhappening — an event that fails to occur