era

Plural

eras

1. 1.A time period of indeterminate length, generally more than one year.

   • Even in an era when individuality in dress is a cult, his clothes were noticeable. He was wearing a hard hat of the low round kind favoured by hunting men, and with it a black duffle-coat lined with white.

2. 2.A geochronologic unit of tens to hundreds of millions of years; a subdivision of an eon, and subdivided into periods.

3. 3.An indefinite period of time in one’s life characterized by a particular interest.(informal)

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