bisymmetry
1bisymmetry — noun The property of being bisymmetric …
2bisymmetric — adjective Symmetric about both of its main diagonals. See Also: bisymmetrical, bisymmetry …
3bisymmetrical — /ˌbaɪsəˈmɛtrɪkəl/ (say .buysuh metrikuhl) adjective Botany having two planes of symmetry at right angles to each other. Also, bisymmetric. –bisymmetrically, adverb –bisymmetry /baɪˈsɪmətri/ (say buy simuhtree), noun …
