Definitions for "Phenology"
The science of the relations between climate and periodic biological phenomena, as the migrations and breeding of birds, the flowering and fruiting of plants, etc.
The study of the temporal aspects of recurrent natural phenomena. Equivalently, manifestations of a biological phenomenon (particularly of an organism) as a function of time. Example, the phenology of pollimation. (Based on Lincoln et al. 1982)
The science that deals with time of appearance of characteristic periopdic events such as leaf shedding, etc., in the life cycle of organisms in nature especially as those events are influenced by environmental factors. ( BCFT modif ).