Bible Dictionaries
Pentathionic

Webster's Dictionary

(a.) Pertaining to, or designating, an acid of sulphur obtained by leading hydrogen sulphide into a solution of sulphur dioxide; - so called because it contains five atoms of sulphur.

Bibliography Information
Webster, Noah. Entry for 'Pentathionic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pentathionic.html. 1828.