Wiktionary
herbology
n. The study of herbs and their medical properties, especially when combined
Usage examples of "herbology".
Charms, Defense Against the Dark Arts, Transfiguration, Herbology, Arithmancy, Ancient Runes, and Potions, and shot off to a first period Ancient Runes class without further ado.
Hermione was immediately cleared to continue with Charms, Defense Against the Dark Arts, Transfiguration, Herbology, Arithmancy, Ancient Runes, and Potions, and shot off to a first period Ancient Runes class without further ado.