noun Etymology: Fort Benton, Mont. Date: 1898 an absorptive and colloidal clay used especially as a sealing agent or suspending agent (as of drugs), bentonitic adjective
BENTONITE
Meaning of BENTONITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012