the act of starting something | the act of producing offspring or multiplying by such production |
the first part or section of something | the production of heat or electricity |
the event consisting of the start of something | a coming into being |
the place where something begins, where it springs into being | group of genetically related organisms constituting a single step in the line of descent |
the time at which something is supposed to begin | all the people living at the same time or of approximately the same age |
| the normal time between successive generations |
| a stage of technological development or innovation |