dozen · noun C /ˈdʌz.ən/
dozen
B1 twelve
Dictionary examples:
a dozen eggs
This recipe makes three dozen cookies.
Could you get me half a dozen eggs when you go to the store?
Learner example:
We were a dozen people. (Preliminary English Test; B1; Italian)
dozens
C1 a lot
Dictionary example:
She's got dozens of friends.
Learner example:
There are, as well, dozens of robots able to handle any kind of work in our homes. (Certificate in Advanced English; C1; Greek)