Meaning of “generation” - Learner’s Dictionary

generation

noun uk us /ˌdʒenəˈreɪʃən/
PEOPLE [ C ]

B1 all the people in a society or family who are approximately the same age:

the older/younger generation
This is the story of three generations of women.
TIME [ C ]

B2 a period of about 25 to 30 years, the time it takes for a child to become an adult and take the place of their parents in society:

Our family has lived in this village for generations.
PRODUCT [ C ]

B2 a product when it is at a particular stage of development:

a new generation of computers
ENERGY [ U ]

B2 the production of energy:

the generation of electricity

(Definition of “generation” from the Cambridge Learner’s Dictionary © Cambridge University Press)