acid-, acidi-, acido-, -acidity
(Latin: sour [sharp])
2. An abnormal increase in the acidity of bodily fluids: Acidosis is due to either acid accumulation or bicarbonate depletion.
Strictly speaking, the term "acidemia" would be more appropriate to describe the state of low blood pH, reserving acidosis to describe the processes leading to these states, however most physicians use the terms interchangeably.
Too much acid in the body is a distinctly abnormal condition resulting from the accumulation of acid or from the depletion of alkaline reserves.
In acidosis, the pH of the blood is abnormally low and is associated with diabetic "ketoacidosis", lung diseas, and severe kidney disease.
The opposite of acidosis is alkalosis in which the pH factor is too high due to an excess base or insufficient acid in the body.
2. Concerning a person who is slightly sour; peevish: On hearing the news about her brother's engagement, June's face took on an anxious and acidulent expression.
2. Cutting and sharp in speech or tone; harsh: Based on Cory's acidulous remarks, there were those who suspected that she was angry with the person she was referring to.
3. Etymology: from Latin acidus, "sour".
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Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; acies- (not "sour"); acuto- (not "sour"); oxy-; pung- (not "sour").