Hyperchloric — Hy per*chlo ric, a. (Chem.) See {Perchloric}. [1913 Webster] … The Collaborative International Dictionary of English
HClO4 — Perchloric Per*chlo ric, a. [Pref. per + chloric.] (Chem.) Pertaining to, or designating, the highest oxygen acid ({HClO4}), of chlorine; called also {hyperchloric}. [1913 Webster] … The Collaborative International Dictionary of English
Perchloric — Per*chlo ric, a. [Pref. per + chloric.] (Chem.) Pertaining to, or designating, the highest oxygen acid ({HClO4}), of chlorine; called also {hyperchloric}. [1913 Webster] … The Collaborative International Dictionary of English
hyper- — 1. a prefix meaning over , and usually implying excess or exaggeration. 2. Chemistry the same as super , indicating the highest of a series of compounds: hyperchloric acid. The prefix per is now generally used for hyper , as in perchloric,… …