symmetry element


noun Crystallography.

any of four points, lines, or planes of a crystal: a center of symmetry, a reflection plane, a rotation axis, or a rotation-inversion axis.

QUIZZES

FOR LEXICAL ALIMENTATION, TAKE THIS WORD OF THE DAY QUIZ!

Nourish your vocabulary with a refresher on the words from the week of September 14–20, 2020!
Question 1 of 7
What does “blatherskite” mean?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020