eggshell

Từ điển Oxford Advanced Learner 8th

egg·shell [eggshell eggshells] BrE [ˈeɡʃel] NAmE [ˈeɡʃel] noun
1. countable, uncountable the hard thin outside of an egg
2. uncountable (BrE)a type of paint that is smooth but not shiny when it dries