An acid containing oxygen, as chloric acid or sulphuric acid; -- contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-.

Acid where the hydrogen atom attaches to the oxygen atoms which allows the created atom to attach to the central atom; sulfuric acid. pack-out Terminology used to describe the moving of contents out of a damaged structure to access work areas or to restore the contents in-plant.

An acid, such as H2SO4 or H3PO4, in which the acidic hydrogen atoms are attached to an oxygen atom.