Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
perchloric acid
OXFORD DICTIONARY
perchloric acid, n. Chem. a strong liquid acid containing heptavalent chlorine.
Etymology
PER- + CHLORINE
For further exploring for "perchloric acid" in Webster Dictionary Online