Noun: watch glass wóch glãs
- Laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker
"The chemist placed the sample on a watch glass for observation"
- A protective cover that protects the face of a watch
"He replaced the scratched watch glass";
- crystal, watch crystal
Derived forms: watch glasses
Type of: dish, protection, protective cover, protective covering
Part of: ticker [informal], watch
Encyclopedia: Watch glass