eggshell
noun
[ ˈɛɡʃɛl ]
• the thin, hard outer layer of an egg, especially a hen's egg.
• "Emily was peeling off her eggshell"
• (of china) of extreme thinness and delicacy.
• "eggshell porcelains"
• a paint that dries with a slight sheen.
• "the woodwork was painted in eggshell"
