— ethological /ee'theuh loj"i keuhl, eth'euh-/ , adj. — ethologically , adv. — ethologist , n.
/ee thol"euh jee, i thol"-/ , n.
the study of animal behavior with emphasis on the behavioral patterns that occur in natural environments.
[ 1895-1900; earlier, as the study of relations between an organism and its environment éthologie, coined by French zoologist I. Geoffroy Saint-Hilaire (1805-61); see ETHOS, -LOGY ]