A pun combining the chemistry term Diastereomer and disaster;it is used to describe a person with excessive knowledge in chemistry. A chemistry know-it-all.
"I hear your friend aced that chem exam; for all intensive purposes he's a total disastereomer."
Scomandy Van Shlervin가 작성 2009년 03월 07일 (토)
Can you define these popular missing words?