n.
1.a solid formed by the solidification of a chemical and having a highly regular atomic structure
2.a crystalline element used as a component in various electronic devices
3.a rock formed by the solidification of a substance
4.colorless glass made of almost pure silica
5.glassware made of quartz
6.a protective cover that protects the face of a watch
Idiom of the Day
return the favor
to do a good deed for someone who has done a good deed for you
I returned the favor to my friend who had helped me move to my new apartment.