НАЖДАК noun
Наждак наждак (горная порода)
Synset
НАЖДАК
[RuThes concept: наждак (горная порода)]
Interlingual Index
[Wordnet definition: a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)]
hypernym
POS-synonymy
[RuThes concept: наждак (горная порода)]
related
[RuThes concept: корунд]