Test Your Vocabulary

Take Our 10-Question Quiz

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
iPhone | iPad | Android | More
Join Us on FB & Twitter
Get the Word of the Day and More
Facebook | Twitter
  1. Quizzes & Games
  2. Word of the Day
  3. Video
  4. New Words
 

Words by Topic

Arts and Entertainment|Business and Finance|Education and Research|Government|Health and Fitness|History and Lit|Home and Garden|Medical|Science and Tech|Sports and Recreation|Travel

Featured Terms

  1. anthracite
  2. boulder
  3. cwm
  4. erratic
  5. igneous
  6. intrusive
  7. mesa
  8. sedimentary
  9. silt
  10. swale

GEOLOGY

All Terms

  1. tremor
  2. trench
  3. Triassic
  4. trib
  5. tributary
  6. tripoli
  7. troilite
  8. trop
  9. tropic
  10. Tropic of Cancer
  11. Tropic of Capricorn
  12. tropical
  13. trough
  14. trunk
  15. tsunami
  16. tufa
  17. tuff
  18. tundra
  19. turbidite
  20. u
  21. U
  22. ultrabasic
  23. ultramafic
  24. unakite
  25. unconformable
  26. unconformity
  27. underground
  28. underthrust
  29. uniformitarian
  30. uniformitarianism
  31. upheaval
  32. upland
  33. uplift
  34. upper
  35. upthrow
  36. upthrust
  37. upwell
  38. USGS
  39. vadose
  40. vale
  41. valley
  42. variation
  43. variometer
  44. varve
  45. vein
  46. veld
  47. vent
  48. ventifact
  49. vesicle
  50. vesicular