13-letter words containing a, p, r, o
- morphinomania — an addiction to morphine or opium in which the addict secretly injects the substance
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- morphographer — a person who scientifically describes form
- morphological — the branch of biology dealing with the form and structure of organisms.
- mount palomar — Mount, a mountain in S California, NE of San Diego: site of observatory. 6126 feet (1867 meters) high.
- mousetrapping — Present participle of mousetrap.
- multiplatform — Compatible with or involving more than one type of computer or operating system.
- multipolarity — The condition of being multipolar.
- multitemporal — (music) Having multiple tempos.
- murder weapon — the weapon that was used in a murder
- musculospiral — (anatomy) Of or pertaining to the muscles, and taking a spiral course; applied especially to a large nerve of the arm.
- musicotherapy — the treatment of mental disorders with music
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- mythographies — Plural form of mythography.
- name-dropping — the introduction into one's conversation, letters, etc., of the names of famous or important people as alleged friends or associates in order to impress others.
- nanoparticles — Plural form of nanoparticle.
- narcohypnosis — the use of drugs to induce hypnosis
- nasopharynges — Plural form of nasopharynx.
- national park — an area of scenic beauty, historical importance, or the like, owned and maintained by a national government for the use of the people.
- natural slope — the maximum angle at which soil will lie in a bank without slipping
- neck and crop — completely; entirely
- necrophiliacs — Plural form of necrophiliac.
- nephrological — of or relating to nephrology
- nephropathies — Plural form of nephropathy.
- neuroatypical — Having an atypical neurological configuration.
- 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.
- newport beach — a city in SW California, SE of Los Angeles.
- nitroparaffin — any of a class of compounds derived from the methane series in which a hydrogen atom is replaced by a nitro group.
- nominal group — A nominal group is the same as a noun group.
- non-corporate — of, for, or belonging to a corporation or corporations: a corporate executive; She considers the new federal subsidy just corporate welfare.
- non-corporeal — of the nature of the physical body; bodily.
- non-empirical — derived from or guided by experience or experiment.
- non-ephemeral — lasting a very short time; short-lived; transitory: the ephemeral joys of childhood.
- non-repayable — to pay back or refund, as money.
- non-reputable — held in good repute; honorable; respectable; estimable: a reputable organization.
- non-spherical — having the form of a sphere; globular.
- nonabsorptive — Not absorptive.
- nonadsorptive — Not adsorptive.
- nonappearance — failure to appear, as in a court.
- noncomparable — not comparable
- noncooperator — A person who does not cooperate.
- nonparametric — (of a test or method) not requiring assertions about parameters or about the form of the underlying distribution.
- nonpejorative — Not pejorative.
- nonperiodical — a magazine or other journal that is issued at regularly recurring intervals.
- nonperishable — not subject to rapid deterioration or decay: A supply of nonperishable food was kept for emergencies.
- nonpracticing — not currently practicing one's profession, religion, etc.: a nonpracticing physician.
- nonpractising — of or relating to a person who no longer observes or pursues his or her religious faith
- nonprofitable — Not profitable; not making profit.
- nonprogrammer — a person who is not a programmer
- nonprovincial — Not restricted to a small region; not done in isolation.