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a method of communicating on half-duplex lines, as two-way radio, using a button to switch modes from voice reception to transmission; abbr. PTT

PTT is a two-way communication service that works like a “walkie talkie.”

See push-to-talk
Word Origin

Usage Note

also push-to-talk , (adj.)


Read Also:

  • Pushtu

    [puhsh-too] /ˈpʌʃ tu/ noun 1. .

  • Pushy

    [poo sh-ee] /ˈpʊʃ i/ adjective, pushier, pushiest. Informal. 1. obnoxiously forward or self-assertive. /ˈpʊʃɪ/ adjective (informal) pushier, pushiest 1. offensively assertive or forceful 2. aggressively or ruthlessly ambitious adj. “forward, aggressive,” 1894 of persons (1891 of a cow), from push (v.) + -y (2). Related: Pushily; pushiness.

  • Push-up

    [poo sh-uhp] /ˈpʊʃˌʌp/ noun 1. an exercise in which a person, keeping a prone position with the hands palms down under the shoulders, the balls of the feet on the ground, and the back straight, pushes the body up and lets it down by an alternate straightening and bending of the arms. adjective 2. (of […]

  • Pusillanimity

    [pyoo-suh-luh-nim-i-tee] /ˌpyu sə ləˈnɪm ɪ ti/ noun 1. the state or condition of being ; timidity; cowardliness. n. late 14c., from Middle French pusillanimité (14c.), from Church Latin pusillanimitatem (nominative pusillanimitas) “faintheartedness,” from Latin pusillanimis “fainthearted, having little courage” (see pusillanimous).

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