Definify.com
Webster 1913 Edition
Citrination
Citˊri-na′tion
,Noun.
[See
Citrine
.] The process by which anything becomes of the color of a lemon; esp., in alchemy, the state of perfection in the philosopher’s stone indicated by its assuming a deep yellow color.
Thynne.
Webster 1828 Edition
Citrination
CITRINATION
,Noun.