Bible Dictionaries
Macropinacoid

Webster's Dictionary

(n.) One of the two planes of an orthorhombic crystal which are parallel to the vertical and longer lateral (macrodiagonal) axes.

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