13-letter words containing p, o, t, s
- mutation stop — an organ pipe sounding the harmonic of the note normally produced
- mycetophagous — That feeds on fungi.
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- mythographies — Plural form of mythography.
- nanocomposite — Denoting a composite material that has a grain size measured in nanometers.
- nanoparticles — Plural form of nanoparticle.
- natural slope — the maximum angle at which soil will lie in a bank without slipping
- neo-platonism — a philosophical system which was first developed in the 3rd century ad as a synthesis of Platonic, Pythagorean, and Aristotelian elements, and which, although originally opposed to Christianity, later incorporated it. It dominated European thought until the 13th century and re-emerged during the Renaissance
- neocapitalism — a politico-economic theory combining elements of capitalism and socialism
- neocapitalist — a person who advocates neocapitalism
- neoplasticism — the theory and practice of the de Stijl school, chiefly characterized by an emphasis on the formal structure of a work of art, and restriction of spatial or linear relations to vertical and horizontal movements as well as restriction of the artist's palette to black, white, and the primary colors.
- neopositivism — A resurgent positivism, or an updated version of it.
- nephelometers — Plural form of nephelometer.
- nephrectomies — Plural form of nephrectomy.
- nephropathies — Plural form of nephropathy.
- neuropeptides — Plural form of neuropeptide.
- nitroprusside — (inorganic chemistry) Any salt, of the hypothetical nitroprussic acid, that contains a pentacyanonitrosylferrate anion.
- nitroso group — the univalent group O=N–.
- non-composite — Nautical. noting a vessel having frames of one material and shells and decking of another, especially one having iron or steel frames with shells and decks planked.
- non-sophistic — of the nature of sophistry; fallacious.
- nonabsorptive — Not absorptive.
- nonadsorptive — Not adsorptive.
- noncapitalist — a person who has capital, especially extensive capital, invested in business enterprises.
- nondeposition — the failure to deposit
- nondescriptly — in a nondescript manner
- nondisruptive — causing, tending to cause, or caused by disruption; disrupting: the disruptive effect of their rioting.
- nonpassionate — Not passionate.
- nonpersistent — persisting, especially in spite of opposition, obstacles, discouragement, etc.; persevering: a most annoyingly persistent young man.
- nonpractising — of or relating to a person who no longer observes or pursues his or her religious faith
- nonrespondent — someone who is not a respondent
- nonspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- o-proposition — a particular negative proposition
- object pascal — (language) An object-oriented Pascal developed jointly by Apple Computer and Niklaus Wirth.
- of many parts — having many different abilities
- oilspot glaze — a brown or black ceramic glaze dotted with silvery spots caused by impurities.
- oligopeptides — Plural form of oligopeptide.
- oligopolistic — the market condition that exists when there are few sellers, as a result of which they can greatly influence price and other market factors. Compare duopoly, monopoly (def 1).
- omnipresently — In an omnipresent manner.
- omoplatoscopy — Divination by use of a shoulder blade.
- 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
- one-stop shop — an establishment where many different services or products are available
- oneiroscopist — a person who specialises in studying and interpreting dreams
- onomatopoeias — Plural form of onomatopoeia.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- open and shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- open position — Music. the arrangement of a chord with wide intervals between the parts.
- open question — question: invites long answer
- open registry — ship registration under a national flag available to all ships regardless of nationality.
- open sentence — Mathematics. an equation or inequality containing one or more variables in which its truth or falsehood depends upon the values assumed by the variables in a particular instance, as the equation x + 3 = 8.