12-letter words containing n, o, p, e, r
- nonpermanent — existing perpetually; everlasting, especially without significant change.
- nonpermeable — capable of being permeated.
- nonpetroleum — not containing any petroleum based substance
- nonpurposive — lacking purpose
- nonrepayable — that does not need to be or cannot be repaid
- nonrepentant — Not repentant.
- nonresponder — something or someone that does not respond
- nonspherical — not spherical
- nonsponsored — Not sponsored.
- nordkyn cape — Cape, a cape in N Norway, E of North Cape: northernmost point of the European mainland.
- norephedrine — The drug phenylpropanolamine.
- normed space — any vector space on which a norm is defined.
- north platte — a river flowing from N Colorado through SE Wyoming and W Nebraska into the Platte. 618 miles (995 sq. km) long.
- northern spy — an American variety of red-striped apple that ripens in autumn or early winter.
- norway maple — a European maple, Acer platanoides, having bright-green leaves, grown as a shade tree in the U.S.
- nosey parker — a persistently nosy, prying person; busybody.
- note-perfect — (of a singer or musician) able to sing or play without making any errors
- number opera — an opera in which the arias, ensembles, recitatives, and other sections are clearly separated from one another.
- numbers pool — Also called numbers, numbers game, numbers racket. an illegal daily lottery in which money is wagered on the appearance of certain numbers in some statistical listing or tabulation published in a daily newspaper, racing form, etc.
- nuxi problem — (data, architecture) /nuk'see pro'bl*m/ The problem of transferring data between computers with differing byte order. The string "Unix" might look like "NUXI" on a machine with a different "byte sex" (e.g. when transferring data from a little-endian to a big-endian, or vice-versa). See also middle-endian, swab, and bytesexual.
- oceanography — the branch of physical geography dealing with the ocean.
- oligophrenia — less than normal mental development.
- oligophrenic — less than normal mental development.
- ombudsperson — ombudsman (def 2).
- omnipresence — present everywhere at the same time: the omnipresent God.
- on principle — an accepted or professed rule of action or conduct: a person of good moral principles.
- on the prowl — to rove or go about stealthily, as in search of prey, something to steal, etc.
- on the ropes — a strong, thick line or cord, commonly one composed of twisted or braided strands of hemp, flax, or the like, or of wire or other material.
- open circuit — a discontinuous circuit through which no current can flow.
- open cluster — a comparatively young, irregularly shaped group of stars, often numbering up to several hundred, and held together by mutual gravitation; usually found along the central plane of the Milky Way and other galaxies.
- open primary — a direct primary election in which voters need not meet a test of party membership.
- open slather — to spread or apply thickly: to slather butter on toast.
- open texture — the failure of natural languages to determine future usage, particularly the ability of predicates to permit the construction of borderline cases
- open trailer — any dog that barks or bays on the trail of its quarry.
- open verdict — law: coroner's jury finding
- open-hearted — unreserved, candid, or frank: open-hearted advice.
- opera singer — a professional singer of opera
- opera window — a narrow, fixed window on each side of the rear passenger compartment of an automobile.
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- opinionnaire — A form containing a list of statements, each of which the members of a selected group are asked to endorse or reject; the purpose being to gather information for a survey.
- oppressional — Exhibiting or relating to oppression.
- optic center — a point about ten percent above the exact center of a printed page or layout.
- orange pekoe — a black tea composed of the smallest top leaves and grown in India and Ceylon.
- oregon grape — an evergreen shrub, Mahonia aquifolium, of the barberry family, of the western coast of the U.S., having small blue berries and yellow flowers that are the state flower of Oregon.
- organoleptic — perceived by a sense organ.
- ornithopters — Plural form of ornithopter.
- oropharynxes — Plural form of oropharynx.
- orthopterans — Plural form of orthopteran.
- outer planet — any of the four planets with orbits outside the orbit of Mars, namely, the planets Jupiter, Saturn, Uranus, and Neptune.
- outspreading — Present participle of outspread.