noun a solid consisting of a double twelve-sided pyramid;
so called because the planes of this form occur on crystals of beryl.
BERYLLOID
Meaning of BERYLLOID in English
Webster English vocab. Английский словарь Webster. 2012
noun a solid consisting of a double twelve-sided pyramid;
so called because the planes of this form occur on crystals of beryl.
Webster English vocab. Английский словарь Webster. 2012