crys·tal·loid 
(krĭstə-loid′)
(krĭstə-loid′)n.
1. Chemistry A substance that can be crystallized.
2. 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.
crys′tal·loidal (-loidl) adj.