What is the study of phycology?
The study of Algae and Seaweed.
It means nothing. It is not a word. Psychology comes from the Greek 'Psychi' which means soul, and 'logia' which literally means reasons. It's the study of the soul. Physiology is from the Greek 'Physis' (nature) and logia (study of) - so the study of nature or living organisms. Phycology is fom 'Phykos' (seaweed) / study of - the study of algae and a sub-division of marine botany.