c. 1600, "made into crystal;" 1660s, "formed into crystals," past-participle adjective from crystallize. Of fruit, etc., "preserved by sugar (and usually coated with sugar crystals), by 1875.
Entries linking to crystallized
crystallize v.
1590s, "convert into crystal;" 1660s "form into crystals;" from crystal + -ize. Intransitive sense of "be converted into crystals" is from 1640s. Figurative use, of opinions, love, etc., that are at first indeterminate, "assume a definite form and fixity," is from 1660s. Related: Crystallized; crystallizing.