"generations" in the noun sense
1. coevals, contemporaries, generation
all the people living at the same time or of approximately the same age
group of genetically related organisms constituting a single step in the line of descent
the normal time between successive generations
"they had to wait a generation for that prejudice to fade"
a stage of technological development or innovation
"the third generation of computers"
5. genesis, generation
a coming into being
the production of heat or electricity
"dams were built for the generation of electricity"
7. generation, multiplication, propagation
the act of producing offspring or multiplying by such production
Source: WordNet® (An amazing lexical database of English)
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