[pas-uh-fahy-er] /ˈpæs əˌfaɪ ər/

a person or thing that .
a rubber or plastic device, often shaped into a nipple, for a baby to suck or bite on.
a person or thing that pacifies
(US & Canadian) a baby’s dummy or teething ring

“one who pacifies or appeases,” 1530s, agent noun from pacify. The meaning “nipple-shaped device for babies” is first recorded 1904.


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  • Pacify

    [pas-uh-fahy] /ˈpæs əˌfaɪ/ verb (used with object), pacified, pacifying. 1. to bring or restore to a state of or tranquillity; quiet; calm: to pacify an angry man. 2. to appease: to pacify one’s appetite. 3. to reduce to a state of submission, especially by military force; subdue. /ˈpæsɪˌfaɪ/ verb (transitive) -fies, -fying, -fied 1. to […]

  • Pacing

    [peys] /peɪs/ noun 1. a rate of movement, especially in stepping, walking, etc.: to walk at a brisk pace of five miles an hour. 2. a rate of activity, progress, growth, performance, etc.; tempo. 3. any of various standard linear measures, representing the space naturally measured by the movement of the feet in walking: roughly […]

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    pacing catheter pac·ing catheter (pā’sĭng) n. A cardiac catheter having one or two electrodes at its tip that, when connected to a pulse generator and positioned in the right atrium or ventricle, artificially pace the heart.

  • Pacini

    Pacini Pa·ci·ni (pə-chē’nē, pä-), Filippo. 1812-1883. Italian anatomist who described the microscopic structure of the lamellated corpuscle.

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