n. crystallography of organic forms; a division of morphology relating to a mathematical conception of organic forms
the GNU version of the Collaborative International Dictionary of English
n. Crystallography of organic forms; -- a division of morphology created by Haeckel. It is essentially stereometric, and relates to a mathematical conception of organic forms. See tectology.
The Century Dictionary and Cyclopedia
n. In biology, stereometric morphology; the morphology of organic forms considered with reference to mathematical figures or to a few fundamental types of structure; the mathematical conception or geometrical treatment of organic form.