9-letter words containing p, o, e, r
- moonprobe — an information-gathering spacecraft designed to pass close by or land on the lunar surface.
- mopper-up — a person or thing that mops up.
- moreporks — Plural form of morepork.
- morphemes — any of the minimal grammatical units of a language, each constituting a word or meaningful part of a word, that cannot be divided into smaller independent grammatical parts, as the, write, or the -ed of waited. Compare allomorph (def 2), morph (def 1).
- morphemic — any of the minimal grammatical units of a language, each constituting a word or meaningful part of a word, that cannot be divided into smaller independent grammatical parts, as the, write, or the -ed of waited. Compare allomorph (def 2), morph (def 1).
- morphogen — A chemical agent able to cause or determine morphogenesis.
- morphoses — Plural form of morphosis.
- mousetrap — a trap for mice, especially one consisting of a rectangular wooden base on which a metal spring is mounted.
- mudhopper — an amphibious fish found on mud flats and in mangrove swamps
- myxospore — a spore produced within any of various fruiting bodies of myxomycetes.
- n'importe — no matter
- name-drop — mention famous person to impress
- nanopores — Plural form of nanopore.
- necrophil — person who is sexually attracted to dead bodies
- negrophil — a white or other nonblack person who is especially sympathetic to or supportive of black people.
- negropont — Euboea.
- neomorphs — Plural form of neomorph.
- nephogram — a photograph of a cloud
- nephrosis — kidney disease, especially marked by noninflammatory degeneration of the tubular system.
- nephrotic — Pertaining to, resembling or caused by nephrosis.
- neurochip — a semiconductor chip designed for use in an electronic neural network
- neuropath — A person affected by nervous disease, or with an abnormally sensitive nervous system.
- neuropile — Alternative form of neuropil.
- newsfroup — (messaging, humour) A silly synonym for Usenet newsgroup, originally a typo but now in regular use on Usenet's news:talk.bizarre and other lunatic-fringe groups. Compare hing, grilf, and filk.
- newsgroup — a place on a computer network, especially within Usenet, that maintains an online discussion group on a specific topic: newsgroups for movies.
- nonexpert — A person who is not an expert.
- nonpareil — having no equal; peerless.
- nonparent — a person who is not a parent
- nonperson — someone whose existence or presence is not recognized.
- nonplayer — a person that is not playing
- nonproven — not proven, not tried and tested
- noosphere — the biosphere including and modified by such human activities as agriculture, forestry, animal husbandry, urbanization, and industrialization.
- notepaper — writing paper, especially that used in writing notes or personal correspondence and usually less than 8½ × 11 inches (21.6 × 27.9 cm) in size.
- nullipore — any of the coralline algae with a crustlike plant body.
- obreption — Canon Law. fraud in obtaining or attempting to obtain something from an official. Compare subreption (def 1).
- occupiers — Plural form of occupier.
- of repute — A person or thing of repute or of high repute is respected and known to be good.
- off-price — offering or dealing in goods, especially brand-name apparel, at prices lower than those at regular retail stores or discount stores.
- oil press — a device for extracting oil from plant material, esp. olives
- oil-paper — a paper made waterproof and translucent by treatment with oil.
- oleograph — a chromolithograph printed in oil colors on canvas or cloth.
- on parade — on display
- on parole — If a prisoner is on parole, he or she is released before the official end of their prison sentence and will not be sent back to prison if their behaviour is good.
- oospheres — Plural form of oosphere.
- opacifier — an agent added to render something opaque
- open door — the policy of admitting people of all nationalities or ethnic groups to a country upon equal terms, as for immigration.
- open fire — start shooting
- open-door — If a country or organization has an open-door policy towards people or goods, it allows them to come there freely, without any restrictions.
- opera hat — a man's tall, collapsible top hat, held open or in shape by springs and usually covered with a black, silky fabric. Also called gibus. Compare beaver1 (def 4), silk hat, top hat.
- operagoer — a person who attends opera performances.