Bible Dictionaries
Berylloid

Webster's Dictionary

(n.) A solid consisting of a double twelve-sided pyramid; - so called because the planes of this form occur on crystals of beryl.

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