You searched for: “peracid
peracid (s) (noun), peracids (pl)
An acid that contains a peroxide group: A peracid has an increased amount of oxygen, like acetneracid and benzoperacid.

There are quite a few peracids that are exceedingly effective germicides.

This entry is located in the following unit: acid-, acidi-, acido-, -acidity (page 5)