pacemaker

play
noun pace·mak·er \ˈpās-ˌmā-kər\

Definition of pacemaker

  1. 1a :  one that sets the pace for anotherb :  one that takes the lead or sets an example

  2. 2a :  a group of cells or a body part (as the sinus node of the heart) that serves to establish and maintain a rhythmic activityb :  an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart

pacemaking

play \-kiŋ\ noun

Examples of pacemaker in a sentence

  1. has long been regarded as a pacemaker in home electronics

1884

First Known Use of pacemaker

1884


PACEMAKER Defined for English Language Learners

pacemaker

play
noun pace·mak·er \ˈpās-ˌmā-kər\

Definition of pacemaker for English Language Learners

  • medical : a small electrical machine put inside a person to make the heart beat evenly


Medical Dictionary

pacemaker

play
noun pace·mak·er \ˈpā-ˌsmā-kər\

Medical Definition of pacemaker

  1. 1:  a group of cells or a body part (as the sinoatrial node of the heart) that serves to establish and maintain a rhythmic activity

  2. 2:  an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart—called also pacer



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