acidic

1. Acid.
2. Tending to form an acid.

1. Describing a compound that is an acid. 2. Describing a solution that has an excess of hydrogen ions. 3. Describing a compound that forms an acid when dissolved in water. Carbon dioxide, for example, is an acidic oxide.

adjective

So sharp as to cause mental pain: acerbic, acid, acrid, astringent, biting, caustic, corrosive, cutting, mordacious, mordant, pungent, scathing, sharp, slashing, stinging, trenchant, truculent, vitriolic. See attack/defend, respect/contempt/standing.

Said of igneous rocks containing more than 65% silica.

Of or pertaining to an acid; acid-forming.

• a. urine — is usual in carnivores, that of herbivores is usually neutral or slightly alkaline. Urine increases in acidity when a large load of acid is passed into the extracellular fluid and is excreted by the kidneys. If the kidneys can cope with the excretion load the pH of the blood will return to normal. If the acid load is too great or the kidney function inadequate, acidemia results.