12-letter words containing p, r, o, n
- 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 probation — under the supervision of a probation officer
- on sb's part — If you talk about a feeling or action on someone's part, you are referring to something that they feel or do.
- on shipboard — on board a ship
- 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.
- onychophoran — any small, predatory, caterpillarlike animal of the phylum Onychophora, common in tropical forests, having stubby legs ending in pincers.
- 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.
- opinionators — Plural form of opinionator.
- 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.
- opportunists — Plural form of opportunist.
- 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.
- organography — the description or visual depiction of organs.
- organoleptic — perceived by a sense organ.
- organotropic — designating or of a substance or virus that travels predominantly to a specific organ
- ornithomorph — the artistic representation of a bird
- ornithophily — pollination of flowers by birds
- ornithopters — Plural form of ornithopter.
- ornithoscopy — divination from the observation of birds
- oropharynxes — Plural form of oropharynx.
- orthopterans — Plural form of orthopteran.
- out of print — of, for, or comprising newspapers and magazines: print media.
- out-of-print — being no longer published; no longer printed or reprinted: a bookstore specializing in out-of-print books.
- outcroppings — Plural form of outcropping.
- 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.
- outstripping — to outdo; surpass; excel.
- over-explain — to make plain or clear; render understandable or intelligible: to explain an obscure point. Synonyms: explicate. Antonyms: confuse.
- overcropping — Agriculture. to crop (land) to excess; exhaust the fertility of by continuous cropping.
- overplanning — the act or instance of planning excessively
- overplotting — the provision of an excessively elaborate plot
- overpowering — that overpowers; overwhelming: an overpowering conviction of the truth.
- overripeness — the state of being too ripe
- overshipment — an act or instance of shipping freight or cargo.