† ˈhedral, a. Obs. rare.
[f. Gr. ἕδρα seat, base + -al1.]
Of or pertaining to the base of a solid.
| 1690 W. Leybourn Curs. Math. 326 The Diametre of the Basial or Hedral ambient Circle of the Hexaedron. |
† ˈhedral, a. Obs. rare.
[f. Gr. ἕδρα seat, base + -al1.]
Of or pertaining to the base of a solid.
| 1690 W. Leybourn Curs. Math. 326 The Diametre of the Basial or Hedral ambient Circle of the Hexaedron. |
Oxford English Dictionary