1. titanium a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
  2. communism a theory favoring collectivism in a classless society
  3. totalism the principle of complete and unrestricted power in government
  4. Satanism a belief in and reverence for devils (especially Satan)
  5. Titaness (Greek mythology) any of the primordial giant goddesses who were offspring of Uranus (heaven) and Gaea (earth) in ancient mythology
  6. tetanus an acute and serious infection of the central nervous system
  7. totemism belief in the kinship of a group of people with a common totem
  8. hedonism an ethical system that values the pursuit of pleasure
  9. Latinism a word or phrase borrowed from Latin
  10. Daltonism dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
  11. titan arum malodorous tropical plant having a spathe that resembles the corolla of a morning glory and attains a diameter of several feet
  12. titanosaur amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere
  13. titanic of great force or power
  14. transom a horizontal crosspiece across a window or separating a door from a window over it
  15. Teutonist a specialist in the history of the Teutonic people or language (especially with respect to the Teutonic influence on the history of England)
  16. Puritanism the beliefs and practices characteristic of Puritans
  17. dadaism a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty
  18. heathenism any of various religions other than Christianity or Judaism or Islamism
  19. demonism a belief in and reverence for devils (especially Satan)
  20. vitalism (philosophy) a doctrine that life is a vital principle distinct from physics and chemistry