glacial acetic acid

gla·cial acetic acid

noun \ˈglā-shəl-\

Definition of GLACIAL ACETIC ACID

: acetic acid containing usually less than 1 percent of water, obtained as a pungent caustic hygroscopic liquid that is a good solvent (as for oils and resins), and used formerly as a caustic to remove warts but now only in veterinary medicine for this purpose