Why has Koichi been keeping that pharmacology book on his desk lately?
He is a student of the pharmacy department at the University of Tokyo.
Is that true that Koichi is thinking of hiring a pharmacologist?
People who study about medicine are studying the study of pharmacy.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.