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pace·mak·er
 pacemaker
- pronunciation:
- peIs
meI
k
 r
| part of speech: |
noun |
| definition 1: |
a small electronic device implanted under the skin to regulate the heart rate in patients with heart problems.
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| definition 2: |
one whose speed determines the speed of others; pacesetter.
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| definition 3: |
a trend setter; leader.
- similar words:
- bellwether
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| related words: |
pioneer |
| derivation: |
pacemaking (n.) |
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