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aortic valve
aortography
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ap- (1)
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Apalachicola National Forest
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apex

a·pex [ áy pèks ] (plural a·pex·es or a·pi·ces [ áppə seez, áypə seez ])


noun 
Definition:
 
1. highest point: the highest point of something

2. most successful point: the most successful part of something, especially somebody's career or life
at the apex of his career

3. tip of something: the tip or top of something, especially something that is pointed, e.g. a triangle

[Early 17th century. < Latin]
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