Bible Dictionaries
Isocryme

Webster's Dictionary

(n.) A line connecting points on the earth's surface having the same mean temperature in the coldest month of the year.

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