Words starting with P that are validated

• psilosis — Noun – English ～ a chronic disorder that occurs in tropical and non-tropical forms and in both children and adults; nutrients are not absorbed; symptoms include foul-smelling diarrhea and emaciation
• psilosis — Noun – English ～ falling out of hair
• Psilotaceae — Noun – English ～ small family of lower ferns having nearly naked stems and minute scalelike leaves
• Psilotales — Noun – English ～ lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
• Psilotatae — Noun – English ～ whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
• Psilotum nudum — Noun – English ～ pantropical epiphytic or terrestrial whisk fern with usually dull yellow branches and minute leaves; America; Japan; Australia
• Psilotum — Noun – English ～ type genus of the Psilotaceae
• Psithyrus — Noun – English ～ a large bee that resembles the bumblebee but lacks pollen-collecting apparatus and a worker caste
• Psittacidae — Noun – English ～ coextensive with the order Psittaciformes
• Psittaciformes — Noun – English ～ an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets
• psittacosaur — Noun – English ～ primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal
• psittacosaurus — Noun – English ～ primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal
• psittacosis — Noun – English ～ infectious disease of birds
• psittacosis — Noun – English ～ an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds
• Psittacula — Noun – English ～ a genus of Psittacidae
• Psittacula krameri — Noun – English ～ African parakeet
• Psittacus erithacus — Noun – English ～ commonly domesticated grey parrot with red-and-black tail and white face; native to equatorial Africa
• Psittacus — Noun – English ～ type genus of the Psittacidae: usually restricted to the African grey
• psoas — Noun – English ～ either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh
• psocid — Noun – English ～ small winged insect living on the bark and leaves of trees and feeding on e.g. fungi and decaying plant matter

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