13-letter words containing a, p, o, r, i, s
- pantisocratic — relating to pantisocracy
- paper profits — an unrealized profit due to the appreciation of something owned but not yet sold.
- paradise lost — an epic poem (1667) by John Milton.
- paramyxovirus — any of various RNA-containing viruses that are similar to but larger than the myxoviruses, including the viruses that cause mumps, measles, parainfluenza, and Newcastle disease.
- parapophysial — of or relating to a parapophysis
- parapsychosis — an abnormal psychosis
- parasitoidism — the feeding by certain insect larvae on host tissues such that the host remains alive until larval development is complete and then usually dies.
- parasymbiosis — the symbiotic relationship that occurs between certain species of fungi and lichens (which are themselves symbiotic associations between a fungus and an alga)
- paris commune — commune3 (def 8).
- parrot's-bill — a showy, vinelike plant, Clianthus puniceus, of New Zealand, having clusters of eight white-streaked, crimson flowers.
- parthian shot — a sharp, telling remark, act, gesture, etc., made in departing.
- passion cross — Latin cross.
- passion fruit — any edible fruit of a passionflower, as the maypop.
- passionflower — any chiefly American climbing vine or shrub of the genus Passiflora, having showy flowers and a pulpy berry or fruit that in some species is edible.
- past anterior — a pluperfect verb (in French)
- past historic — the simple past
- pathomorphism — abnormal morphology.
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- patripotestal — Anthropology. of or relating to the authority exercised by a father or a father's blood relatives.
- perimenopause — the period leading up to the menopause during which some of the symptoms associated with menopause may be experienced
- periodicalist — a writer of articles for periodicals
- perissodactyl — having an uneven number of toes or digits on each foot.
- perlustration — the act of perlustrating; a thorough inspection or survey, esp of letters for purposes of surveillance
- perscrutation — a very careful exploration or inspection
- perseveration — the act or process of perseverating.
- persian melon — a round variety of muskmelon having a green, reticulate, unribbed rind and orange flesh.
- personalistic — Also called personal idealism. a modern philosophical movement locating ultimate value and reality in persons, human or divine.
- personalities — the visible aspect of one's character as it impresses others: He has a pleasing personality.
- perspicacious — having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- petit treason — the killing of a husband by his wife, of a lord by his servant, or of an ecclesiastic by a subordinate ecclesiastic.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- photo-sharing — the publishing of digital photographs on the internet
- phraseologist — a person who treats of or is concerned with phraseology.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physiographic — the science of physical geography.
- physiotherapy — physical therapy.
- phytosanitary — of or relating to the health of plants
- pictorialness — the state of being pictorial
- piers plowman — (The Vision Concerning Piers Plowman) an alliterative poem written in three versions (1360–99), ascribed to William Langland.
- pigeon breast — chicken breast.
- pine grosbeak — a large grosbeak, Pinicola enucleator, of coniferous forests of northern North America and Eurasia, the male of which has rose and gray plumage.
- piroplasmosis — babesiosis.
- piss all over — to be far superior to
- plagiotropism — plagiotropic tendency or growth.
- plasmodiocarp — a fruiting body of certain myxomycetes.
- platiniferous — platinum-bearing
- platykurtosis — the state of being platykurtic.
- plesiosaurian — a member of the reptile order Plesiosauria
- plimsoll mark — load-line mark.