hyperpnea

n.
Abnormally deep or rapid breathing.

[HYPER- + Greek pnoiā, -pnoia, breath, breathing (from pnein, to breathe).]

hyperpneic hy'perp·ne'ic (-ĭk) adj.

(hī'purp-nē'-ə)
n

An abnormal increase in respiratory volume; an abnormal increase in the rate and depth of breathing.

(hī'pərp-nē'ə, hī'pər-nē'ə)
n.

Abnormally deep and rapid breathing.

hy'perp·ne'ic (-ĭk) adj.

Abnormal increase in depth and rate of respiration but not to the point of being labored, the critical point for dyspnea.

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The noun has one meaning:

Meaning #1: energetic (deep and rapid) respiration that occurs normally after exercise or abnormally with fever or various disorders
  Antonym: hypopnea (meaning #1)

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