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cardio

1

[kahr-dee-oh]

noun

Informal.
  1. aerobic exercise that stimulates and strengthens the heart and lungs.

    I mostly use weights, but I always add a little cardio into my routine.



adjective

Informal.
  1. of or relating to aerobic exercise.

    The class begins with a slow and steady warmup, and then it switches to a cardio workout.

  2. of or relating to the heart; cardiovascular.

    He's a hugely successful cardio surgeon.

cardio-

2
  1. a combining form meaning “heart,” used in the formation of compound words.

    cardiogram.

cardio-

combining form

  1. heart

    cardiogram

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of cardio-1

First recorded in 1960–65

Origin of cardio-2

< Greek kardio-, combining form of kardía
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Word History and Origins

Origin of cardio-1

from Greek kardia heart
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

You can do this with easy cardio like walking, swimming or biking.

While vests add resistance to cardio, they don’t replace focused strength-training like dumbbell or body-weight exercises, Fielding says.

There have been high-intensity sessions on a vertical cardio climber - a full-body workout gizmo which developers say is "one of the most effective and efficient ways of burning fat and calories".

Read more on BBC

To prepare for the climb, Colton and her guides have focused on heavy cardio training.

Read more on Los Angeles Times

Now he’s 262 pounds after he stopped eating chips and used better cardio techniques to drop weight.

Read more on Los Angeles Times

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When To Use

What does cardio- mean?

Cardio- is a combining form used like a prefix meaning “heart.” It is used in many medical and scientific terms.Cardio- comes from the Greek kardía, meaning “heart.” In fact, the English word heart and the Greek kardía are related. Learn more at our entry for heart.What are variants of cardio-?When combined with words or word elements that begin with a vowel, cardio- becomes cardi-, as in cardiectomy.

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