broadcast vs podcast

broadcast

noun
  • A programme (bulletin, documentary, show, etc.) so transmitted. 

  • A transmission of a radio or television programme intended to be received by anyone with a receiver. 

verb
  • To transmit a message or signal through radio waves or electronic means. 

  • To transmit a message over a wide area; specifically, to send an email in a single transmission to a (typically large) number of people. 

  • To appear as a performer, presenter, or speaker in a broadcast programme. 

adv
  • Widely in all directions; abroad. 

adj
  • Cast or scattered widely in all directions; cast abroad. 

  • Communicated, signalled, or transmitted through radio waves or electronic means. 

  • Relating to transmissions of messages or signals through radio waves or electronic means. 

podcast

noun
  • An individual episode of such a programme. 

  • A programme, especially an audio programme, produced on a regular basis, delivered over the Internet in a compressed digital format and designed for playback on computers or portable devices such as mobile phones. 

verb
  • To deliver a programme, especially an audio programme, over the Internet on a regular basis for playback on computers or portable devices such as mobile phones. 

  • To deliver (information) in the form of a programme, especially an audio programme, over the Internet on a regular basis for playback on computers or portable devices such as mobile phones. 

How often have the words broadcast and podcast occurred in a corpus of books? (source: Google Ngram Viewer )