Words in english starting with P

• projective device — Noun – English ～ any personality test designed to yield information about someone's personality on the basis of their unrestricted response to ambiguous objects or situations
• projective geometry — Noun – English ～ the geometry of properties that remain invariant under projection
• projector — Noun – English ～ an optical device for projecting a beam of light
• projector — Noun – English ～ an optical instrument that projects an enlarged image onto a screen
• projects – English – not validated
• prokaryote — Noun – English ～ a unicellular organism having cells lacking membrane-bound nuclei; bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma
• prokaryotic — Adjective – English ～ having cells that lack membrane-bound nuclei
• Prokayotae — Noun – English ～ prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions
• prokhorov — Noun – English ～ Russian physicist whose research into ways of moving electrons around atoms led to the development of masers and lasers for producing high-intensity radiation (1916-2002)
• prokofiev — Noun – English ～ Russian composer of ballets and symphonies and operas (1891-1953)
• prolactin — Noun – English ～ gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition
• prolamine — Noun – English ～ a simple protein found in plants
• prolapse — Noun – English ～ the slipping or falling out of place of an organ (as the uterus)
• prolapse — Verb – English ～ slip or fall out of place, as of body parts; "prolapsed rectum"
• prolapsus — Noun – English ～ the slipping or falling out of place of an organ (as the uterus)
• prolate cycloid — Noun – English ～ a cycloid generated by a point outside the rolling circle
• prolate — Adjective – English ～ rounded like an egg
• prolate — Adjective – English ～ having the polar diameter greater than the equatorial diameter; "a prolate spheroid is generated by revolving an ellipse about its major axis"
• prole — Noun – English ～ a member of the working class (not necessarily employed); "workers of the world--unite!"
• prolegomenon — Noun – English ～ a preliminary discussion inserted at the beginning of a book or treatise

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