9-letter words containing m, o, n, p
- monotropy — polymorphism that is irreversible.
- monotypes — Plural form of monotype.
- monotypic — having only one type.
- montespan — Marquise de (Françoise Athénaïs de Rochechouart) 1641–1707, mistress of Louis XIV of France.
- moon pool — (in the oil industry) an open shaft in the centre of the hull of a ship engaged in deep-sea drilling through which drilling takes place
- moonphase — a phase of the moon
- moonprobe — an information-gathering spacecraft designed to pass close by or land on the lunar surface.
- moonscape — the general appearance of the surface of the moon.
- mophandle — The handle of a mop.
- morphinic — of, pertaining to, or resembling morphine
- morphogen — A chemical agent able to cause or determine morphogenesis.
- moss pink — a phlox, Phlox subulata, of the eastern U.S., having showy pink to purple flowers.
- mossplant — another term for moss
- multipion — involving several or many pions
- n'importe — no matter
- name-drop — mention famous person to impress
- nemophila — any of a genus, Nemophila, of low-growing hairy annual plants, esp N. menziesii, grown for its blue or white flowers: family Hydrophyllaceae
- neomorphs — Plural form of neomorph.
- neon lamp — a gas-discharge bulb containing two electrodes in neon gas and emitting a glow when a voltage is applied across the electrodes.
- neoplasms — Plural form of neoplasm.
- nephogram — a photograph of a cloud
- no-trumps — a bid or contract to play without trumps
- nomograph — a graph, usually containing three parallel scales graduated for different variables so that when a straight line connects values of any two, the related value may be read directly from the third at the point intersected by the line.
- noncampus — not located on a campus of a university, corporation, or any other business or organization
- noncompos — A foolish person.
- nonexempt — Not exempt.
- nonimpact — Not involving impact.
- nonmyopic — Not myopic.
- omnigraph — a device for converting Morse Code signals that are punched on a tape into audio signals, used in the training of telegraph operators.
- on-campus — on the area of land that contains the main buildings of a university or college
- onomatope — (linguistics) A word formed by onomatopoeia or mimesis.
- onopordum — (botany) Any of the genus Onopordum of asteraceous thistles.
- open game — a relatively simple game involving open ranks and files, permitting tactical play, and usually following symmetrical development
- open mike — a session in a pub or club where members of the public are invited to perform comedy or to sing
- open mind — receptive attitude
- opium den — 19th-century place of drug taking
- oppenheim — E(dward) Phillips, 1866–1946, English novelist.
- opsomania — an extreme enthusiasm for a particular food
- pademelon — any of several small Australian wallabies, especially of the genus Thylogale.
- padronism — a system of exploitative work controlled by a padrone
- palmation — a palmate state or formation.
- pancosmic — of every cosmos
- panegoism — a form of scepticism; subjective idealism
- panlogism — the doctrine that the universe is a realization or act of the logos.
- panmunjom — a small community along the boundary between North Korea and South Korea: site of the truce talks at the close of the Korean War.
- panoramic — an unobstructed and wide view of an extensive area in all directions.
- pantomime — the art or technique of conveying emotions, actions, feelings, etc., by gestures without speech.
- paramount — chief in importance or impact; supreme; preeminent: a point of paramount significance.
- parsimony — extreme or excessive economy or frugality; stinginess; niggardliness.
- patrimony — an estate inherited from one's father or ancestors.