13-letter words containing p, i, s, t
- musicotherapy — the treatment of mental disorders with music
- mutation stop — an organ pipe sounding the harmonic of the note normally produced
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- mythographies — Plural form of mythography.
- 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.
- nanocomposite — Denoting a composite material that has a grain size measured in nanometers.
- nanoparticles — Plural form of nanoparticle.
- 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.
- 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
- 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
- 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.
- on the parish — receiving parochial relief
- 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 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.
- 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
- opportunistic — adhering to a policy of opportunism; practicing opportunism.
- opportunities — Plural form of opportunity.
- oppositionary — the action of opposing, resisting, or combating.
- oppositionist — a person who offers opposition; a member of an opposition.
- optic chiasma — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- optical glass — any of several types of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems.