from The American Heritage Dictionary of the English Language, 4th Edition
Chemistry A substance that can accept a pair of electrons to form a covalent bond.
from The American Heritage Dictionary of the English Language, 4th Edition
Chemistry A substance that can act as a proton donor.
from The American Heritage Dictionary of the English Language, 4th Edition
Chemistry A substance that yields hydrogen ions when dissolved in water.
from The American Heritage Dictionary of the English Language, 4th Edition
Chemistry Any of a class of substances whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red, and the ability to react with bases and certain metals to form salts.
from The American Heritage Dictionary of the English Language, 4th Edition
adjective
Biting, sarcastic, or scornful: an acid wit; an acid tone of voice.
from The American Heritage Dictionary of the English Language, 4th Edition
Chemistry Having a high concentration of acid.
from The American Heritage Dictionary of the English Language, 4th Edition
Chemistry Having the characteristics of an acid.
from The American Heritage Dictionary of the English Language, 4th Edition
Chemistry Of, relating to, or containing an acid.
from The American Heritage Dictionary of the English Language, 4th Edition
Geology Containing a large proportion of silica: acid rocks.
from The American Heritage Dictionary of the English Language, 4th Edition
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