encrustation

encrustation
(亦作 incrustation)
noun
  1. [mass noun]the action of encrusting or state of being encrusted
    包外壳;结壳
    ■[count noun]a crust or hard coating on the surface of something
    硬壳
    ■[count noun](Architecture)a facing of marble on a building
    (建筑)(建筑物的)大理石表面
语源
  1. early 17th cent. (originally as incrustation): from late Latin incrustatio(n-), from the verb incrustare (see encrust)
英语宝典
考试词汇表