from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A dome that is parallel to the orthodiagonal in a monoclinic crystal.
from the GNU version of the Collaborative International Dictionary of English
- n. See the Note under dome, 4.
from The Century Dictionary and Cyclopedia
- n. In crystallography, a dome, in the monoclinic system, parallel to that lateral axis which is at right angles to the vertical axis. It is properly a hemidome, since a given form includes but two planes. See dome 5.
ortho- + dome (Wiktionary)