cardiac - Dictionary definition and pronunciation - Yahoo! Education
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car·di·ac  audio  (kärd-k) KEY 

ADJECTIVE:
  1. Of, near, or relating to the heart: cardiac arteries.
  2. Of or relating to the cardia.
NOUN:
A person with a heart disorder.
ETYMOLOGY:
Middle English, from Latin cardiacus, from Greek kardiakos, from kardi, heart; see kerd- in Indo-European roots


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