eggshell

• Nom désignant la fine enveloppe externe et dure d'un œuf d'oiseau, généralement de couleur blanche ou brunâtre, qui protège le contenu de l'œuf.

A noun referring to the hard, thin outer covering of a bird's egg.

1. Exterior covering of an eggA2formal

   The hard, porous outer layer that encloses and protects the contents of a bird's egg.

   Coquille d'œuf

   • She carefully peeled the eggshell from the boiled egg.
   • The artist painted a delicate scene on an eggshell.
   • Eggshells are often used in gardening as a source of calcium.