Origin: Greek suffix -osis
Acidosis has 2 different meanings across 1 category:
abnormally high acidity (excess hydrogen-ion concentration) of the blood and other body tissues
An abnormally increased acidity of the blood.
The word comes from combining the Latin root acidus, meaning sour, with the suffix -osis to indicate a condition or process. It originally referred to an abnormal increase in acidity within the body.