1. science museum a museum that collects and displays objects having scientific interest
  2. science a branch of study or knowledge involving the observation, investigation, and discovery of general laws or truths that can be tested systematically
  3. conscientious characterized by extreme care and great effort
  4. conscience motivation deriving from ethical or moral principles
  5. euphemism an inoffensive expression substituted for an offensive one
  6. Seismosaurus genus of large herbivorous dinosaurs of Cretaceous found in western North America
  7. genus Eumeces New World skinks
  8. genus Mimus type genus of the family Mimidae: mockingbirds
  9. genus Mysis type genus of the family Mysidae
  10. genus Mustelus smooth dogfishes
  11. genus Myosotis forget-me-nots; scorpion grass
  12. conscience money payment made voluntarily to reduce guilt over dishonest dealings
  13. genus Marasmius chiefly small mushrooms with white spores
  14. genus Cosmos genus of tropical American plants cultivated for their colorful flowers
  15. genus Cyamus whale lice
  16. genus Mazama brockets
  17. conscienceless lacking a conscience
  18. fencer's mask a face mask made of fine mesh that is worn over a fencer's face
  19. genus Oryzomys rice rats
  20. tenesmus painful spasm of the anal sphincter along with an urgent desire to defecate without the significant production of feces; associated with irritable bowel syndrome