1. siderosis fibrosis of the lung caused by iron dust
  2. pityriasis any of several skin disorders characterized by shedding dry flakes of skin
  3. hidrosis the process of the sweat glands of the skin secreting a salty fluid
  4. powderise become powder or dust
  5. pyrosis a painful burning sensation in the chest caused by gastroesophageal reflux (backflow from the stomach irritating the esophagus); symptomatic of an ulcer or a diaphragmatic hernia or other disorder
  6. heterosis (genetics) the tendency of a crossbred organism to have qualities superior to those of either parent
  7. ponderous having great mass and weight and unwieldiness
  8. Paterson a city of northeastern New Jersey
  9. butyraceous having the qualities of butter or yielding or containing a substance like butter
  10. Pteropus a genus of Megachiroptera
  11. Potorous potoroos
  12. Podargus type genus of the Podargidae
  13. Pterois lionfishes
  14. Paderewski Polish pianist who in 1919 served as the first Prime Minister of independent Poland (1860-1941)
  15. pterosaur an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
  16. pot roast cut of beef suitable for simmering in liquid in a closed pot
  17. powderize become powder or dust
  18. ponderosity the property of being large in mass
  19. prose ordinary writing as distinguished from verse
  20. boytrose resembling a cluster of grapes in form

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