结壳

Traditional form:

結殼

Pinyin (reading):

jiéké

Definitions:

• crust; crusting; incrustation

Characters:

• 结 - knot, tie; to connect, to join
• 壳 - casing, husk, shell

Traditional characters:

• 結 - knot, tie; to connect, to join
• 殼 - casing, husk, shell