What is the chemical name of dry ice? Why is it called dry ice?

What is the chemical name of dry ice? Why is it called dry ice?

Dry ice is solidified carbon dioxide. It is named so because it looks like ice and is way colder than ordinary ice. It stays dry because it directly converts to gaseous carbon dioxide without an intermediate liquid stage. Hence it is useful in storing edible things like ice cream which may get spoilt by water.