0 the time in the past when tools and weapons were made of bronze (= a brown metal made of copper and tin), before iron was discovered:
These are the remains of a little-studied civilization called the Bactrian, dating back to the Bronze Age.
Barrows and sepulchral mounds strictly of the Bronze Age are smaller and less imposing than those of the Stone Age.
The implements of the Bronze Age include swords, awls, knives, gouges, hammers, daggers and arrow-heads.
Then followed what is known as the Bronze Age, and we find that the people of this era also worked with clay.