refractory

英 [r?'fr?kt(?)r?] 美[r?'fr?kt?ri]
  • adj. 難治的；難熔的；不聽(tīng)話的
  • n. 倔強(qiáng)的人；耐火物質(zhì)

英英釋意

1. lining consisting of material with a high melting point; used to line the inside walls of a furnace