ˈ ̷ ̷ˌ ̷ ̷ noun
1.
a. : intellectual or mental capability
although he was not efficient there were few in his group that had comparable brainpower
b. : superior or marked mental ability : superior intelligence
brainpower is no good locked tight behind a handsome brow — Think
2. : people with developed intellectual or mental ability
mobilizing its brainpower for technological warfare