9-letter words containing t, r, o, p, a
- pronation — rotation of the hand or forearm so that the surface of the palm is facing downward or toward the back (opposed to supination).
- propagate — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
- prorating — to make an arrangement on a basis of proportional distribution.
- proration — to make an arrangement on a basis of proportional distribution.
- prosateur — a person who writes prose, especially as a livelihood.
- prostasis — (in a classical temple) a pronaos or prostas before a cella.
- prostatic — Also, prostatic [pro-stat-ik] /prɒˈstæt ɪk/ (Show IPA). of or relating to the prostate gland.
- prostato- — prostate gland
- prostrate — to cast (oneself) face down on the ground in humility, submission, or adoration.
- protamine — any of a group of arginine-rich, strongly basic proteins that are not coagulated by heat, occurring primarily in the sperm of fish.
- protanope — a person diagnosed with protanopia
- prothorax — the anterior division of the thorax of an insect, bearing the first pair of legs.
- protistan — any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute the organisms between the kingdoms Plantae and Animalia according to dominant characteristics.
- protoavis — a fossil bird of the genus Protoavis, from the Triassic Period, having a birdlike, partly toothless jaw structure, a tail and hind legs resembling those of the dinosaur, and the hollow bones and keellike breast that are characteristic of modern birds: the oldest known avian type, preceding the archaeopteryx by an estimated 75 million years.
- protonate — to provide an atom, molecule, or ion with a proton
- protonema — a primary, usually filamentous structure produced by the germination of the spore in mosses and certain related plants, and from which the leafy plant which bears the sexual organs arises as a lateral or terminal shoot.
- protostar — an early stage in the evolution of a star, after the beginning of the collapse of the gas cloud from which it is formed, but before sufficient contraction has occurred to permit initiation of nuclear reactions at its core.
- protozoal — relating to protozoans
- protozoan — any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.
- proustian — of, relating to, or resembling Marcel Proust, his writings, or the middle-class and aristocratic worlds he described.
- provocant — a person who deliberately behaves controversially to provoke argument or other strong reactions
- proximate — next; nearest; immediately before or after in order, place, occurrence, etc.
- psoriatic — a common chronic, inflammatory skin disease characterized by scaly patches.
- pterosaur — any flying reptile of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having the outside digit of the forelimb greatly elongated and supporting a wing membrane.
- pulsatory — pulsating or throbbing.
- purgation — the act of purging.
- purgatory — (in the belief of Roman Catholics and others) a condition or place in which the souls of those dying penitent are purified from venial sins, or undergo the temporal punishment that, after the guilt of mortal sin has been remitted, still remains to be endured by the sinner.
- pyothorax — empyema.
- pyroclast — a piece of lava ejected from a volcano
- pyrolater — a worshipper of fire
- pyrolatry — the worship of fire
- rainspout — waterspout (def 1).
- rantipole — wild, reckless, boisterous
- raptorial — preying upon other animals; predatory.
- rapturous — full of, feeling, or manifesting ecstatic joy or delight.
- raspatory — a surgical instrument for abrading; surgeon's rasp
- reappoint — to name or assign to a position, an office, or the like; designate: to appoint a new treasurer; to appoint a judge to the bench.
- recaption — the taking back without violence of one's property or a member of one's family or household unlawfully in the possession or custody of another.
- recompact — to pack or join (something) closely together again
- reoperate — to operate again (on the same thing as a previous operation)
- reportage — the act or technique of reporting news.
- reprobate — a depraved, unprincipled, or wicked person: a drunken reprobate.
- reptation — a creeping motion; the act of crawling
- retropack — a system of retrorockets on a spacecraft
- rhapontic — a type of rhubarb
- road trip — journey in a car, bus, etc.
- rotaplane — an aircraft that derives its lift from freely revolving rotor blades
- rotograph — a photograph, esp of a manuscript or book, which is printed white on black
- route map — road plan showing where to go
- sallyport — a gateway permitting the passage of a large number of troops at a time.