Bible Dictionaries
Orthopinacoid

Webster's Dictionary

(n.) A name given to the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.

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