9-letter words containing o, r, a, i
- privocrat — (esp in neo-conservative thought) a person who is not in favour of relinquishing individual freedoms in order to give the state more powers to combat terrorism
- proaction — the process or state of acting or of being active: The machine is not in action now.
- proactive — serving to prepare for, intervene in, or control an expected occurrence or situation, especially a negative or difficult one; anticipatory: proactive measures against crime.
- probation — the act of testing.
- probative — serving or designed for testing or trial.
- procacity — insolence
- procambia — plant part in stem and root
- profamily — favoring or supporting laws against abortion; antiabortion; pro-life.
- profanity — the quality of being profane; irreverence.
- progravid — progestational (def 1).
- prolactin — an anterior pituitary polypeptide hormone that stimulates lactation by the mammary glands at parturition in mammals, the activity of the crop in birds, and in some mammalian species the production of progesterone by the corpus luteum.
- prolamine — any of the class of simple proteins, as gliadin, hordein, or zein, found in grains, soluble in dilute acids, alkalis, and alcohols, and insoluble in water, neutral salt solutions, and absolute alcohol.
- prolation — the time relationship between a semibreve and a minim in mensural notation.
- prolative — functioning to complete the predicate
- promazine — a compound, C 17 H 20 N 2 S, used as a tranquilizer.
- pronation — rotation of the hand or forearm so that the surface of the palm is facing downward or toward the back (opposed to supination).
- prophasic — relating to the first stage of nuclear division
- prorating — to make an arrangement on a basis of proportional distribution.
- proration — to make an arrangement on a basis of proportional distribution.
- prosimian — belonging or pertaining to the primate suborder Prosimii, characterized by nocturnal habits, a long face with a moist snout, prominent whiskers, large mobile ears, and large, slightly sideways-facing eyes, comprising the lemur, loris, potto, bush baby, and aye-aye. Compare anthropoid.
- prosocial — acting to the benefit of society in general
- prosodial — of or relating to prosody
- prosodian — a person skilled in prosody
- 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.
- protamine — any of a group of arginine-rich, strongly basic proteins that are not coagulated by heat, occurring primarily in the sperm of fish.
- 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.
- proustian — of, relating to, or resembling Marcel Proust, his writings, or the middle-class and aristocratic worlds he described.
- proximate — next; nearest; immediately before or after in order, place, occurrence, etc.
- psoriasis — a common chronic, inflammatory skin disease characterized by scaly patches.
- psoriatic — a common chronic, inflammatory skin disease characterized by scaly patches.
- purgation — the act of purging.
- pyramidon — a pedal organ stop made of wooden pipes in the shape of an inverted pyramid
- pyridoxal — a naturally occurring derivative of pyridoxine that is a precursor of a coenzyme (pyridoxal phosphate) involved in several enzymic reactions. Formula: (CH2OH)(CHO)C5HN(OH)(CH3)
- pyromania — a compulsion to set things on fire.
- rabbit on — talk incessantly
- race riot — a riot resulting from animosity or tensions between racial or ethnic groups.
- race-riot — a riot resulting from animosity or tensions between racial or ethnic groups.
- racegoing — that goes to races
- raciation — the evolutionary development of races
- radiation — Physics. the process in which energy is emitted as particles or waves. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and absorbed by another body. the energy transferred by these processes.
- radicchio — a variety of chicory originating in Italy, having a compact head of reddish, white-streaked leaves: leaves and roots may be cooked or used raw in salads.
- radio cab — a taxi or cab equipped with a radio for communication
- radio car — an automobile, especially a police car or taxi, equipped with a two-way radio for communication.
- radio set — an apparatus that receives radio signals
- radio van — a van containing equipment for transmitting and receiving radio signals
- radiocast — a radiobroadcast.
- radiogold — a radioactive isotope of gold, used in the medical treatment of certain conditions
- radiogram — a combination radio and record player.