卵らん殻かく

noun

eggshell

Refers to the hard outer covering of an egg, especially in biological or culinary contexts.

• 卵らん殻かくはカルシウムが豊ほう富ふです。

  Eggshells are rich in calcium.

• ひよこが卵らん殻かくを破やぶって出でてきた。

  The chick broke through the eggshell and came out.