19-letter words containing p, e, n

nail polish remover — solvent for removing nail polish
napierian logarithm — natural logarithm.
nasty piece of work — malicious person
natural catastrophe — A natural catastrophe is an unexpected event, caused by nature, such as an earthquake or flood, in which there is a lot of suffering, damage, or death.
neuropathologically — In a neuropathologic way.
neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
new economic policy — (in the Soviet Union) a program in effect from 1921 to 1928, reviving the wage system and private ownership of some factories and businesses, and abandoning grain requisitions.
new zealand spinach — a plant, Tetragonia tetragonioides, of warm regions, cultivated for its edible leaves, eaten as a vegetable.
newcastle upon tyne — 1st Duke of, Pelham-Holles, Thomas.
newtonian telescope — a reflecting telescope in which a mirror or reflecting prism is mounted on the axis near the eyepiece so that the image may be viewed from outside the telescope tube at right angles to the axis.
nicolaus copernicus — Nicolaus [nik-uh-ley-uh s] /ˌnɪk əˈleɪ əs/ (Show IPA), (Mikolaj Kopernik) 1473–1543, Polish astronomer who promulgated the now accepted theory that the earth and the other planets move around the sun (the Copernican System)
nine plus two array — the arrangement of microtubules in a flagellum or cilium, consisting of a ring of nine evenly spaced couplets surrounding two central singlets. Symbol: 9 + 2.
non-contemporaneous — living or occurring during the same period of time; contemporary.
nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
nonproprietary drug — A nonproprietary drug is a generic drug that is essentially similar to a drug with a brand name.
nonrepresentational — not resembling or portraying any object in physical nature: a nonrepresentational painting.
nonthrombocytopenic — Not thrombocytopenic.
norfolk island pine — a coniferous evergreen tree, Araucaria heterophylla (or A. excelsa), having whorled branches and needlelike foliage, widely cultivated as a houseplant.
north new hyde park — a town on W Long Island, in SE New York.
north pacific ocean — the northern part of the Pacific Ocean, extending from the equator to the Arctic Ocean.
northern hemisphere — the half of the earth between the North Pole and the equator.
not worth a crumpet — utterly worthless
notre-dame-de-paris — Also called Notre Dame de Paris [French naw-truh dam duh pa-ree] /French nɔ trə dam də paˈri/ (Show IPA). a famous early gothic cathedral in Paris (started 1163).
nuclear power plant — factory that generates atomic energy
occupational health — Occupational health is the branch of medicine that deals with the health of people in their workplace or in relation to their job.
oceanus procellarum — (Ocean of Storms) the largest dark plain on the face of the moon, in the second and third quadrants: about 2 million square miles (5.2 million sq. km).
old english pattern — a spoon pattern having a stem curving backward at the end.
on an empty stomach — If you do something on an empty stomach, you do it without having eaten.
on pins and needles — a tingly, prickly sensation in a limb that is recovering from numbness.
on top of the world — the highest or loftiest point or part of anything; apex; summit. Synonyms: zenith, acme, peak, pinnacle, vertex. Antonyms: bottom, base, foot, lowest point.
one's pride and joy — Someone or something that is your pride and joy is very important to you and makes you feel very happy.
open someone's eyes — to make someone aware of the facts, real reasons, etc.
open source license — (legal) Any document that attempts to specify open source usage and distribution of software. These licenses are usually drafted by experts and are likely to be more legally sound than one a programmer could write. However, loopholes do exist. Here is a non-exhaustive list of open source licenses: 1. Public Domain - No license. 2. BSD License - An early open source license 3. General Public License (GPL) - The copyleft license of the Free Software Foundation. Used for GNU software and much of Linux. 4. Artistic License Less restrictive than the GPL, permitted by Perl in addition to the GPL. 5. Mozilla Public Licenses. (MPL, MozPL) and Netscape Public License (NPL).
open the floodgates — If events open the floodgates to something, they make it possible for that thing to happen much more often or much more seriously than before.
open-angle glaucoma — Ophthalmology. abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma)
open-hearth furnace — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
operational testing — (testing) A US DoD term for testing performed by the end-user on software in its normal operating environment.
operations director — a director or senior manager who oversees the efficiency of business operations
operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency.
optimising compiler — (programming, tool) compiler which attempts to analyse the code it produces and to produce more efficient code by performing program transformation such as branch elimination, partial evaluation, or peep-hole optimisation. Contrast pessimising compiler.
oral interpretation — the study and practice of vocally expressing the meaning of written compositions, especially of literature.
ordnance survey map — An Ordnance Survey map is a detailed map produced by the British or Irish government map-making organization.
orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
outplacement agency — an agency that provides counselling and careers advice, esp to redundant executives, which is paid for by their previous employer
over-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
oxidation potential — (in a galvanic cell) the potential of the electrode at which oxidation occurs.
palaeoethnobotanist — someone who studies fossil seeds and grains to further archaeological knowledge, esp of the domestication of cereals

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