- calcitrant refractory
- огнеупорный
English-Russian mining dictionary. В.П. Манышев.
English-Russian mining dictionary. В.П. Манышев.
Calcitrant — Cal ci*trant, a. [L. calcitrans, p. pr. of calcitrare to kick, fr. calx, calcis, heel.] Kicking. Hence: Stubborn; refractory. [1913 Webster] … The Collaborative International Dictionary of English