Description of M.D. (abbreviation: Doctor of Medicine) professional degree of medicine
Samples of M.D. An M.D. is the basic medical qualification in North America and some European countries, and a higher medical degree in Australia and the U.K.
Description of lactic acid (noun: plural: lactic acids) chemical that is formed when glucose is metabolized in the absence of oxygen (anaerobic respiration)
Samples of lactic acid A build of lactic acid can cause muscle pain and fatigue.