13-letter words containing r, a, s, p
- nail clippers — tool for cutting finger- and toenails
- nailing strip — a strip of wood or other partly yielding material attached to a hard surface, as of steel or concrete, so that objects may be nailed to the surface.
- nanoparticles — Plural form of nanoparticle.
- narcohypnosis — the use of drugs to induce hypnosis
- nasopharynges — Plural form of nasopharynx.
- natural slope — the maximum angle at which soil will lie in a bank without slipping
- ne plus ultra — the highest point; acme.
- necrophiliacs — Plural form of necrophiliac.
- nephropathies — Plural form of nephropathy.
- new hampshire — a state in the NE United States. 9304 sq. mi. (24,100 sq. km). Capital: Concord. Abbreviation: NH (for use with zip code), N.H.
- newgroup wars — /n[y]oo'groop worz/ [Usenet] The salvos of dueling "newgroup" and "rmgroup" messages sometimes exchanged by persons on opposite sides of a dispute over whether a newsgroup should be created net-wide, or (even more frequently) whether an obsolete one should be removed. These usually settle out within a week or two as it becomes clear whether the group has a natural constituency (usually, it doesn't). At times, especially in the completely anarchic alt hierarchy, the names of newsgroups themselves become a form of comment or humour; e.g. the spinoff of alt.swedish.chef.bork.bork.bork from alt.tv.muppets in early 1990, or any number of specialised abuse groups named after particularly notorious flamers, e.g. alt.weemba.
- non-spherical — having the form of a sphere; globular.
- nonabsorptive — Not absorptive.
- nonadsorptive — Not adsorptive.
- nonperishable — not subject to rapid deterioration or decay: A supply of nonperishable food was kept for emergencies.
- nonpractising — of or relating to a person who no longer observes or pursues his or her religious faith
- norway spruce — a European spruce, Picea abies, having shiny, dark-green needles, grown as an ornamental.
- nosogeography — the study of the geographical causes and distribution of diseases.
- ocean springs — a town in SE Mississippi.
- of many parts — having many different abilities
- on one's part — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
- on the parish — receiving parochial relief
- onus probandi — the burden of proof.
- onychophorans — Plural form of onychophoran.
- open-standard — (of computer programs, codes, etc) freely available to all users
- opentransport — (networking) (OT) A complete reimplementation of all levels of the Macintosh networking code including "Classic" AppleTalk and MacTCP. It appeared in MacOS revision 7.5.3 [or earlier? Date?].
- opera glasses — small binoculars
- operativeness — (uncountable) The state or quality of being operative.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- oppositionary — the action of opposing, resisting, or combating.
- ora pro nobis — a Latin invocation meaning pray for us
- orchesography — a written study of dancing
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- organotropism — Physiology. the attraction of microorganisms or chemical substances to particular organs or tissues of the body.
- orthographies — Plural form of orthography.
- oscillographs — Plural form of oscillograph.
- oscillography — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- ostreophagous — oyster-eating
- overappraisal — An appraisal that overvalues something.
- overemphasise — (British) alternative spelling of overemphasize.
- overemphasize — to emphasize excessively.
- overexpansion — the act or process of expanding.
- overspeculate — to engage in thought or reflection; meditate (often followed by on, upon, or a clause).
- ovoviviparous — producing eggs that are hatched within the body, so that the young are born alive but without placental attachment, as certain reptiles or fishes.
- package store — a store selling sealed bottles or other containers of alcoholic beverages that may only be consumed off the premises.
- paedomorphism — the continuation of juvenile characteristics in the adult stage
- pager message — a message received by a pager
- painted horse — paint (def 6).