1. disk overhead (computer science) the disk space required for information that is not data but is used for location and timing
  2. discovered discovered or determined by scientific observation
  3. Discovery Day a legal holiday commemorating the discovery of America by Christopher Columbus
  4. discoverer someone who is the first to observe something
  5. discover determine the existence, presence, or fact of
  6. discovery the act of finding something
  7. discord lack of agreement or harmony
  8. dust-covered covered with a layer of dust
  9. undiscovered not discovered
  10. discard anything that is cast aside
  11. discoverable capable of being ascertained or found out
  12. discomfort the state of being tense and feeling pain
  13. disaccord be different from one another
  14. 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
  15. task force a semipermanent unit created to carry out a continuing task
  16. Siegfried (German mythology) mythical German warrior hero of the Nibelungenlied who takes possession of the accursed treasure of the Nibelungs by slaying the dragon that guards it and awakens Brynhild and is eventually killed; Sigurd is the Norse counterpart
  17. discarded thrown away
  18. discourtesy a lack of politeness
  19. covert secret or hidden
  20. takeover bid an offer to buy shares in order to take over the company