verb Etymology: French concentrer, from com- + centre center Date: 1598 transitive verb to draw or direct to a common center ; concentrate , intransitive verb to come to a common center
CONCENTER
Meaning of CONCENTER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012