FIREBRICK
Meaning of FIREBRICK in English
/ ˈfaɪəbrɪk; NAmE ˈfaɪər-/ noun
[ U , C ] ( technical ) brick which is not destroyed by very strong heat; an individual block of this
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005