13-letter words containing u, p, o, n
- nymphaeaceous — belonging to the Nymphaeaceae, the water lily family of plants.
- oil pollution — pollution caused by the leaking of oil, esp. from a ship
- ombudsmanship — The position or office of an ombudsman.
- ombudspersons — Plural form of ombudsperson.
- one-punch law — a law prescribing punitive sentences for assault, including assault comprising a single blow
- one-two punch — Also called one-two punch. Boxing. a left-hand jab immediately followed by a right cross.
- one-upmanship — the art or practice of achieving, demonstrating, or assuming superiority in one's rivalry with a friend or opponent by obtaining privilege, status, status symbols, etc.: the one-upmanship of getting into the president's car pool.
- onus probandi — the burden of proof.
- open and shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- open fracture — compound fracture.
- open juncture — a transition between successive sounds marked by a break in articulatory continuity, as by a pause or the modification of a preceding or following sound, and often indicating a division between words; presence of juncture (opposed to close juncture). Also called plus juncture. Compare close juncture, juncture (def 7a), terminal juncture.
- open question — question: invites long answer
- open universe — a model of the universe in which the universe expands forever because there is not enough mass to counteract the expansion by means of gravitational attraction.
- open-and-shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- opening hours — Opening hours are the times during which a shop, bank, library, or bar is open for business.
- openmouthedly — in a manner filled with amazement and wonder
- opportuneness — The state or condition of being opportune.
- opportunistic — adhering to a policy of opportunism; practicing opportunism.
- opportunities — Plural form of opportunity.
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- outmanipulate — to surpass in manipulation
- outperforming — Present participle of outperform.
- outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- outspokenness — The quality of being outspoken; bluntness; frankness; candour.
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- overpronounce — to pronounce (a word, syllable, etc.) in an exaggerated, affected, or excessively careful manner.
- packing house — A packing house is a company that processes and packs food, especially meat, to be sold.
- palaeocurrent — an ancient current, esp of water, evidence of which has been preserved in sedimentary rocks as fossilized ripple marks, etc
- pamlico sound — a sound between the North Carolina mainland and coastal islands.
- pan-teutonism — Pan-Germanism.
- pandiculation — the act of stretching oneself.
- panleucopenia — a viral disease of cats marked by a deficiency of white blood cells
- panleukopenia — distemper1 (def 1c).
- parade ground — A parade ground is an area of ground where soldiers practise marching and have parades.
- paris commune — commune3 (def 8).
- parnell shout — a social occasion where each person in a group pays for his or her own entertainment or meal
- parthenopaeus — a son of Hippomenes and Atalanta, and one of the Seven against Thebes.
- passion fruit — any edible fruit of a passionflower, as the maypop.
- pauperization — the act or process of making a pauper of or impoverishing
- pentadelphous — (of a plant) having its stamens arranged in five groups; (of stamens) being arranged in five groups
- pentastichous — (of plant leaves) arranged in five vertical rows
- perambulation — to walk through, about, or over; travel through; traverse.
- percussionist — a musician who plays percussion instruments.
- perfunctorily — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
- perichondrium — the membrane of fibrous connective tissue covering the surface of cartilages except at the joints.
- perimenopause — the period leading up to the menopause during which some of the symptoms associated with menopause may be experienced
- perlustration — the act of perlustrating; a thorough inspection or survey, esp of letters for purposes of surveillance
- perscrutation — a very careful exploration or inspection
- personal foul — a foul called in certain games, as basketball or football, for illegal body contact or rough, unsportsmanlike play.
- petrocurrency — money, paid in dollars, earned by a country for the exporting of petroleum