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Noun: modem  mow-dum [N. Amer], 'mow,dem [Brit]
  1. (from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line
    "In the early days of the internet, the modem's dial-up sound was familiar to many users"

Derived forms: modems

Type of: electronic equipment

Encyclopedia: Modem