— bipyramidal /buy'pi ram"i dl/ , adj.
/buy pir"euh mid/ , n. Crystall.
a form symmetrical about a plane dividing it into two pyramids. Also called dipyramid .
[ BI- 1 + PYRAMID ]
— bipyramidal /buy'pi ram"i dl/ , adj.
/buy pir"euh mid/ , n. Crystall.
a form symmetrical about a plane dividing it into two pyramids. Also called dipyramid .
[ BI- 1 + PYRAMID ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012