transcription, транскрипция: [ ˌmänt-mə-ˈri-lə-ˌnīt, -ˈrē-ə-ˌnīt ]
noun
Etymology: French, from Montmorillon, commune in western France
Date: 1854
: a soft clayey water-absorbent mineral that is a hydrous aluminum silicate
• mont·mo·ril·lon·it·ic -ˌri-lə-ˈni-tik, -ˌrē-ə-ˈni- adjective