n. a disorder which involves episodes of overly shallow breathing or an abnormally low respiratory rate.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. slow or shallow breathing
Word Usage
"As part of the Sleep Heart Health Study, researchers assessed the apnea-hypopnea index (AHI) of more than 6,400 men and women between 40 to 70 years old based on home monitoring of night-time breathing, sleep patterns, and blood oxygen levels."