hyp·​ox·​ic | \ hi-ˈpäk-sik How to pronounce hypoxic (audio) , hī-\

Definition of hypoxic

1 medical : of, relating to, or affected with hypoxia : resulting from, causing, or experiencing inadequate levels of oxygen in the tissues and cells of the body She was then transferred to Tufts Medical Center with hypokalemia, hyperglycemia, and hypoxic ischemic encephalopathy—abnormal brain function from oxygen deprivation—and seizures.— Rebecca Everett At altitudes up to ten thousand feet, the mild hypoxic effects encountered do not materially deteriorate our flying ability …— Joseph W. Benkert The Australian looks slightly hypoxic, as if he is finding the atmosphere up here in the Northern Hemisphere a trifle thin.— Craig S. Karpel
2 : characterized by reduced levels of dissolved oxygen Hypoxic conditions, which occur when dissolved oxygen concentrations are less than 2 mg/L, can cause stress or death in bottom-dwelling organisms that cannot leave the zone.— Donald A. Goolsby Also, the loss of herbivorous cichlids has contributed to colossal algae blooms in the lake, which suck oxygen from the water and create huge hypoxic zones.— Mark Jerome Walters

First Known Use of hypoxic

1942, in the meaning defined at sense 1

Keep scrolling for more

Learn More about hypoxic

Statistics for hypoxic

Look-up Popularity

Time Traveler for hypoxic

The first known use of hypoxic was in 1942

See more words from the same year

Comments on hypoxic

What made you want to look up hypoxic? Please tell us where you read or heard it (including the quote, if possible).


to move with exaggerated bouncy motions

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!