niên đại
[niən˧˧ ʔɗaːj˧˨ʔ]
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
(noun) age (of something ancient); date; era
Noun
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Từ lập trường này, lịch sử có thể được chia ra thành hai niên đại chính.From this standpoint history can be divided into two main epochs.
Tatoeba sentence #1542189 (CC BY 2.0 FR, tatoeba.org, retrieved 2026-07-31)
Sources & notes
Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗
Common questions
What does “niên đại” mean?
(noun) age (of something ancient); date; era
Is “niên đại” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.