1. facial expression a gesture executed with the facial muscles
  2. slang expression informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar
  3. expression the communication of your beliefs or opinions
  4. gene expression conversion of the information encoded in a gene first into messenger RNA and then to a protein
  5. idiomatic expression an expression whose meanings cannot be inferred from the meanings of the words that make it up
  6. businessperson a capitalist who engages in industrial commercial enterprise
  7. self-expression the expression of one's individuality
  8. manic depression a mental disorder characterized by episodes of mania and depression
  9. spokesperson an advocate who represents someone else's policy or purpose
  10. image compression the compression of graphics for storage or transmission
  11. indirect expression an indirect way of expressing something
  12. verbal expression the communication of your beliefs or opinions
  13. psychotic depression a state of depression so severe that the person loses contact with reality and suffers a variety of functional impairments
  14. supra expressionism a movement that tried to go beyond expressionism
  15. turn of expression a distinctive spoken or written expression
  16. parenthetical expression an expression in parentheses
  17. dysthymic depression mild chronic depression
  18. plastic explosive an explosive material that is easily molded around the object it is intended to destroy
  19. pony express express mail carried by relays of riders on horseback
  20. atomic explosion the explosion of an atomic bomb