era
Proposed by a contributor, not yet supported by evidence.
Also seen as: eras
Sense 1
A time period of indeterminate length, generally more than one year.
Kỳ thời gian không xác định, thường hơn một năm
Machine-translated — suggest a fix
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
A geochronologic unit of tens to hundreds of millions of years; a subdivision of an eon, and subdivided into periods.
Đơn vị địa thời kéo dài từ vài chục đến vài trăm triệu năm
Machine-translated — suggest a fix
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “era” mean?
A time period of indeterminate length, generally more than one year.
Is “era” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.