13-letter words containing r, i, o, p, e, l
- overappraisal — An appraisal that overvalues something.
- overflow pipe — a pipe which discharges excess or leaking water safely
- overpedalling — the overuse of the piano's pedals
- overpotential — overvoltage.
- palaeocrystic — consisting of former glacial formation
- paleosiberian — a group of languages comprising those languages of Siberia that are not affiliated with Indo-European, Altaic, Uralic, or Eskimo-Aleut and including the Chukotian family and the unrelated language isolates Ket, Nivkh, and Yukaghir; Paleo-Asiatic.
- paleotropical — belonging or pertaining to a geographical division comprising the Ethiopian and Oriental regions.
- paradise lost — an epic poem (1667) by John Milton.
- paralipomenon — Chronicles.
- parietal bone — either of a pair of membrane bones forming, by their union at the sagittal suture, part of the sides and top of the skull.
- parietal lobe — the middle part of each cerebral hemisphere behind the central sulcus.
- parti-colored — having different colors in different areas or patches; variegated: a parti-colored dress.
- particleboard — a boardlike building material made by compressing sawdust or wood particles with a resin binder
- partitionable — a division into or distribution in portions or shares.
- 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.
- patripotestal — Anthropology. of or relating to the authority exercised by a father or a father's blood relatives.
- pearl molding — a molding having the form of a row of pearls.
- pearl tapioca — a food substance prepared from cassava in granular, flake, pellet (pearl tapioca) or flour form, used in puddings, as a thickener, etc.
- pencil crayon — coloured pencil
- penicilliform — in the shape of a pencil or paintbrush
- pentobarbital — a barbiturate, C 1 1 H 1 7 N 2 O 3 , used as a hypnotic and as a sedative.
- perambulation — to walk through, about, or over; travel through; traverse.
- perchlorinate — to combine with the maximum proportion of chlorine.
- perditionable — deserving perdition or damnation
- perfunctorily — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
- periodicalist — a writer of articles for periodicals
- periodontally — with respect to periodontal tissue
- perissodactyl — having an uneven number of toes or digits on each foot.
- peritonealize — to cover with peritoneum.
- perl profiler — (tool) (pprof) A tool by Anthony Iano-Fletcher of Nottingham University, UK to profile, and collate data from, Perl scripts. Version: 1? Source posted on comp.lang.perl in mid-June 1993.
- perlustration — the act of perlustrating; a thorough inspection or survey, esp of letters for purposes of surveillance
- 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.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- petrol engine — an internal-combustion engine that uses petrol as fuel
- petrol-driven — (of a car, engine, etc) powered by petrol
- petroliferous — containing or yielding petroleum
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phenobarbital — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- philosophizer — to speculate or theorize, usually in a superficial or imprecise manner.
- phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
- photoallergic — photosensitive.
- photoelectric — pertaining to the electronic or other electric effects produced by light.
- phraseologist — a person who treats of or is concerned with phraseology.
- pickerel frog — a meadow frog, Rana palustris, common in eastern North America, similar to the leopard frog but with squarish dark spots on the back.
- 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.
- piezoelectric — electricity, or electric polarity, produced by the piezoelectric effect.