1. Psephurus a genus of Polyodontidae
  2. phosphorus a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
  3. Phosphorus a planet seen just before sunrise in the eastern sky
  4. phosphorous containing or characteristic of phosphorus
  5. zoophagous (of animals) carnivorous
  6. Xyphophorus swordtails
  7. vociferous conspicuously and offensively loud
  8. Gopherus gopher tortoises
  9. phosphoresce to exhibit phosphorescence
  10. Sophora cosmopolitan genus of trees and shrubs having odd-pinnate leaves and showy flowers; some species placed in genus Podalyria
  11. aphorism a short pithy instructive saying
  12. zephyr a slight wind
  13. Lophophorus monals
  14. Ophrys a hardy genus of terrestrial orchids of Europe and northern Africa and western Asia
  15. Istiophorus type genus of the Istiophoridae
  16. Cyclophorus tropical Old World ferns having closely crowded circular sori and no indusia
  17. Pyrophorus tropical click beetles
  18. Bosporus a strait connecting the Mediterranean and the Black Sea
  19. slow virus a virus that remains dormant in the body for a long time before symptoms appear
  20. esophagus the passage between the pharynx and the stomach