1. blacktop a black bituminous material used for paving roads or other areas; usually spread over crushed rock
  2. apologetics the branch of theology that is concerned with the defense of Christian doctrines
  3. Bill Gates United States computer entrepreneur whose software company made him the youngest multi-billionaire in the history of the United States (born in 1955)
  4. logotype a company emblem or device
  5. polydipsia excessive thirst
  6. Plecotus a genus of Vespertilionidae
  7. black bass bluish black-striped sea bass of the Atlantic coast of the United States
  8. blood type human blood cells that have the same antigens
  9. black disease a disease of the liver (especially in sheep and cattle) caused by liver flukes and their by-products
  10. blackmouth bass small marine fish with black mouth and gill cavity
  11. blow tube a tube that directs air or gas into a flame to concentrate heat
  12. blowtube a tube that directs air or gas into a flame to concentrate heat
  13. Plectorrhiza small genus of Australian orchids
  14. block up render unsuitable for passage
  15. blow gas the gas leaving a generator during a blow period
  16. blog an online journal where people post about their experiences
  17. blockhouse a stronghold that is reinforced for protection from enemy fire; with apertures for defensive fire
  18. blockade a war measure isolating an area of importance to the enemy
  19. blockading blocking entrance to and exit from seaports and harbors
  20. black-eyed pea sprawling Old World annual cultivated especially in southern United States for food and forage and green manure