1. expansion bit a bit with a cutting blade that can be adjusted to different sizes
  2. expansion bolt a bolt that has an attachment that expands as the bolt is driven into a surface
  3. expansionist of or involving or guided by expansionism
  4. expansive bit a bit with a cutting blade that can be adjusted to different sizes
  5. expansion slot (computer) a socket in a microcomputer that will accept a plug-in circuit board
  6. expansion the act of increasing in size or volume or quantity or scope
  7. explicit precisely and clearly expressed or readily observable
  8. expansionism the doctrine of extending the territory of a country
  9. expansivity a quality characterized by magnificence of scale or the tendency to expand
  10. expansible able to expand or be expanded
  11. exposition a collection of things for public display
  12. expressionist an artist who is an adherent of expressionism
  13. expedient appropriate to a purpose
  14. exponent notation of how many times to multiply a quantity by itself
  15. exceptionable likely to cause objection or disapproval
  16. extension act of expanding in scope
  17. exhibitionist someone who deliberately behaves in such a way as to attract attention
  18. experience the content of observation or participation in an event
  19. expulsion the act of forcing out someone or something
  20. expressionistic of or relating to expressionism