broadcast

BRAWD-kast /ˈbrɔːdkæst/
verbnounB2TOEFLIELTS
generaltechnical

To transmit radio or television signals widely to many receivers simultaneously; or an all-points bulletin message.

Implies wide, one-to-many distribution rather than point-to-point confidential messaging.

The story behind the word. Broadcast was originally an 18th-century agricultural term meaning to scatter seeds widely over the ground by hand (broad-casting). Early radio pioneers in the 1920s adopted the agricultural term to describe sending signals in all directions at once.

Word relationships

  • transmit: Transmit can be point-to-point; broadcast specifically targets an entire audience or band.
  • disseminate: Disseminate focuses on spreading information widely through various media.
  • narrowcast: Transmitting to a highly targeted, small segment or single receiver.
  • suppress: Holding back information from public transmission.

Commonly confused with

  • podcasting: Podcasting is on-demand digital audio streaming; broadcasting is live, wide transmission.

Word family

  • broadcaster (noun): A device or organization that broadcasts signals.
  • broadcasting (noun): The field or act of transmitting audio/video signals.

Collocations

  • broadcast alert
  • emergency broadcast
  • broadcast live
  • all-units broadcast

Idioms & expressions

  • broadcast to the world

Example sentences

  • "The weather service decided to broadcast an urgent tornado warning across all radio channels." Emergency public warning
  • "The dispatcher made a general broadcast describing the missing child and suspect vehicle." Police communication

Memory hook

BROAD-CAST: Throwing (casting) a net over a BROAD wide field. Sowing seeds of communication everywhere.

When not to use

Do not use when speaking strictly to a single private recipient.

Fun facts

  • Agricultural 'broadcasting' of seed produced irregular crop rows; radio 'broadcasting' similarly scatters light and radio waves across open air.

Related words

channel, relay

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