/ ˌdaɪəˈmæntiːn; NAmE / adjective ( technical )
1.
made from, or looking like, diamonds
2.
very hard or strong
••
WORD ORIGIN
mid 16th cent. (in the sense hard as diamond ): from French diamantin , from diamant diamond.
/ ˌdaɪəˈmæntiːn; NAmE / adjective ( technical )
1.
made from, or looking like, diamonds
2.
very hard or strong
••
WORD ORIGIN
mid 16th cent. (in the sense hard as diamond ): from French diamantin , from diamant diamond.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005