from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A mineral crystal formed or affected by paramorphism. Also called allomorph1.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A kind of pseudomorph in which there has been a change of physical characteristics without alteration of chemical composition, as in the change of aragonite to calcite.
from the GNU version of the Collaborative International Dictionary of English
- n. A kind of pseudomorph, in which there has been a change of physical characters, by a change in crystal structure without alteration of chemical composition, as the change of aragonite to calcite; called also allomorph.
- n. A taxonomic variant observed within a species, for which a more specific term has not been assigned.
from The Century Dictionary and Cyclopedia
- n. In mineralogy, a pseudomorph formed by a change in molecular structure without a change of chemical composition: thus, rutile occurs as a paramorph after brookite, and aragonite after calcite. See pseudomorph and paramorphism.
para- + -morph (Wiktionary)