• adjective
• synonym
• antonym

• noun
• synonym
• antonym

• 10-4
  1. acknowledgment of message received
• 4-dimensional (adjective)
  1. involving or relating to the fourth dimension or time
• 4-hitter (noun)
  1. a game in which a pitcher allows the opposing team 4 hits
• 4-membered (adjective)
  1. of a chemical compound having a ring with four members
• Channel 4
  1. one of the five main television stations in the UK. It broadcasts a wide range of programmes.
• July 4 (noun)
  1. a legal holiday in the United States
• Radio 4
  1. a BBC radio station which broadcasts programmes on news and politics, as well as plays and arts programmes
• atomic number 4 (noun)
  1. a light strong brittle grey toxic bivalent metallic element
• biosafety level 4 (noun)
  1. exposure to exotic infectious agents that pose a high risk of life-threatening disease and can be transmitted as an aerosol and for which there is no vaccine or therapy
• cluster of differentiation 4 (noun)
  1. a glycoprotein that is found primarily on the surface of helper T cells
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