from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Chemistry A substance that can be crystallized.
- n. Botany Any of various minute crystallike particles consisting of protein and found in certain plant cells, especially oily seeds.
- adj. Resembling or having properties of a crystal or crystalloid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any substance that can be crystallized from solution
- n. One of the microscopic particles resembling crystals, consisting of protein matter, which occur in certain plant cells.
from the GNU version of the Collaborative International Dictionary of English
- adj. Crystal-like; transparent like crystal.
- n. A body which, in solution, diffuses readily through animal membranes, and generally is capable of being crystallized; -- opposed to colloid.
- n. One of the microscopic particles resembling crystals, consisting of protein matter, which occur in certain plant cells; -- called also protein crystal.
from The Century Dictionary and Cyclopedia
- Resembling a crystal.
- n. The name given by Professor Graham to a class of bodies which have the power, when in solution, of passing easily through membranes, as parchment-paper, and which he found to be of a crystalline character.
- n. A protein crystal—that is, a granule of protein in the form of a crystal, differing from an organic crystal in the inconstancy of its angles and in its property of swelling when immersed in water. Such crystalloids are of various forms and usually colorless.
crystal + -oid (Wiktionary)