| Noun | 1. | virilisation - the abnormal development of male sexual characteristics in a female (usually as the result of hormone therapies or adrenal malfunction)growing, growth, ontogenesis, ontogeny, maturation, development - (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children" | |