glacial acetic acid

noun
gla·​cial acetic acid | \ ˈglā-shəl- How to pronounce glacial acetic acid (audio) \

Medical 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