Bible Dictionaries
Microcrith

Webster's Dictionary

(n.) The weight of the half hydrogen molecule, or of the hydrogen atom, taken as the standard in comparing the atomic weights of the elements; thus, an atom of oxygen weighs sixteen microcriths. See Crith.

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