Bible Dictionaries
Periodic

Webster's Dictionary

(1):

(a.) Pertaining to, derived from, or designating, the highest oxygen acid (HIO/) of iodine.

(2):

(a.) Alt. of Periodical

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