Meaning of ECOLOGICAL in English
/ ˌiːkəˈlɒdʒɪkl; NAmE -ˈlɑːdʒ-/ adjective
connected with the relation of plants and living creatures to each other and to their environment :
We risk upsetting the ecological balance of the area.
an ecological disaster (= one that alters the whole balance of ecology in an area)
interested in and concerned about the ecology of a place :
the ecological movement
► eco·logic·al·ly / -kli; NAmE / adverb :
The system is both practical and ecologically sound .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005