Definition of symmetry
1 : balanced proportions also : beauty of form arising from balanced proportions
3 : a rigid motion of a geometric figure that determines a one-to-one mapping onto itself
4 : the property of remaining invariant under certain changes (as of orientation in space, of the sign of the electric charge, of parity, or of the direction of time flow) —used of physical phenomena and of equations describing them
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
You're (Probably) Saying It Wrong
18 words even you might be mispronouncing
Great Big List of Beautiful & Useless Words
Along with their degrees of usefulness
12 French Phrases from Downton Abbey
Many of us have an 'idée fixe'
Rare and Amusing Insults, Volume 2
Sometimes a 'cacafuego' can be a real 'slubberdeg...
Ask the Editors