acid-, acidi-, acido-, -acidity

(Latin: sour [sharp])

anacid (adjective), more anacid, most anacid
Regarding the lack of a normal amount of acidity: Dr. Swift told Bert that his anacid condition was a result of the absence of normal hydrochloric acid in the gastric juice of his stomach mucosa.
anacidity (s) (noun) (no pl)
The absence of acidity: Anacidity refers to the reduction or the lack of hydrochloric acid in the gastric juice of the stomach.
antacid (adjective), more antacid, most antacid
Descriptive of the neutralization of acidity: Nelly's doctor suggested she take antacid tablets that would counteract the acidity in her stomach.
antacid, antiacid (s) (noun); antacids; antiacids (pl)
An agent that can counteract acidity: Dr. Black suggested that Bill use antacids to neutralise the acidity in his stomach.
arachidonic acid (s) (noun) (no pl)
1. In biochemistry, an unsaturated acid found in animal cells: Arachidonic acid is normally essential in nutrition and in the growth of mammals.

Arachidonic acid is found only in animal fats, as in egg yolk and liver.
2. Etymology: coined from the modern Latin stem arachid-, "peanut" (from Greek arakhos, "a type of leguminous plant".

biacid (adjective) (not comparable)
Capable of combining with an acid in two different proportions: Biacid salts are salts that have two hydrogen atoms that can be exchanged with negative atoms or radicals.
butyric acid (s) (noun), butyric acids (pl)
An acid of unpleasant odor occurring in cod liver oil, sweat, and many other substances: Butyric acid is a fatty acid derived from butter. but rare in most fats.

Butyric acid is a viscid liquid with a rancid odor; and is used in disinfectants, emulsifying agents, and pharmaceuticals.

deacidify (verb), deacidifies; deacidified; deacidifying
To remove the acid content from something or to reduce it: Wine can be decalcified by using malolactic fermentation.
diacid (adjective) (not comparable)
Regarding a base able to combine with two hydrogen ions in each molecule: A normal raw substance called maleic anhydride possesses diacid functionality.
diacid (s) (noun), diacids (pl)
An acid that can combine with two acid radicals: A diacid has two acid hydrogen atoms in each molecule which can be exchanged with a metal or it can react with a basic substance.
dulcacid (adjective), more dulcacid, most dulcacid
Regarding something that is both sweet and sour: Thai food is known to be dulcacid in that it uses many spices, as chilies and fresh herbs, and also palm sugar in order to give a sweet piquance to the meals.
hydracid (s) (noun), hydracids (pl)
A term applied to an acid containing hydrogen: Hydracid should not be confused with an oxyacid, or oxacid, containing oxygen.

Hydracids refer especially to the halogen acids, or simple compounds of hydrogen with chlorine, bromine, iodine, fluorine, or cyanogen.

hyperacid (adjective), more hyperacid, most hyperacid
Pertaining to excessive acidity; highly acidic: The symptoms of a hyperacid stomach can be stomach and duodenal ulcers, indigestion, and food allergies.
hyperacidity (s) (noun), hyperacidities (pl)
A condition of being exceptionally acidic; the situation of having too much acid: Clive's doctor said that there was a hyperacidity of his stomach and Dr. Smith suggested that sodium bicarbonate or even milk of magnesia would be helpful in his case.
hypoacidity (s) (noun), hypoacidities (pl)
Deficiency of normal acidity: Hypoacidity is a condition of having an insufficient amount of acidity in the gastric juice of a person's stomach.

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").