crystallizer
/ˈkrɪstəlʌɪzə/ /ˈkrɪst(ə)lʌɪzə/noun
1A person who or thing which crystallizes (literal and figurative ).
2 Manufacturing Technology. An apparatus or container in which crystallization takes place.
Origin
Early 17th century; earliest use found in Cyril Tourneur (d. 1626), writer and soldier. From crystallize + -er.