1. discovered check a check on the opponent's king that is delivered by moving a piece out of the line of attack by a queen or rook or bishop
  2. discoverable capable of being ascertained or found out
  3. discourse an extended communication dealing with some particular topic
  4. service book a book setting forth the forms of church service
  5. discovered discovered or determined by scientific observation
  6. discourage try to prevent; show opposition to
  7. discrepancy a difference between conflicting facts or claims or opinions
  8. discretion power of making choices unconstrained by external agencies
  9. discoverer someone who is the first to observe something
  10. discover determine the existence, presence, or fact of
  11. Discovery Day a legal holiday commemorating the discovery of America by Christopher Columbus
  12. discovery the act of finding something
  13. discourteous showing no politeness
  14. discursive tending to cover a wide range of subjects
  15. source book a collection of historically important documents published together as a book
  16. reference book a book to which you can refer for authoritative facts
  17. discouraging depriving of confidence or hope or enthusiasm and hence often deterring action
  18. sacrificeable may be deliberately sacrificed to achieve an objective
  19. disc pack (computer science) a portable pack of magnetic disks used in a disk storage device
  20. discourtesy a lack of politeness