Tiếng Việt · Word Attested

thành hệ

[tʰajŋ̟˨˩ he˧˨ʔ]

In real, traceable use. Part of the curated seed collection; community review is coming.

Both English Tiếng Việt

Meaning · English

(noun) formation

Nghĩa · Tiếng Việt

sự hình thành

Machine-translated — suggest a fix

Noun

Where it’s used: Used Toàn quốc & hải ngoại · Vietnam-wide & diaspora

thành hệ địa chấtgeological formation

thành hệ Hell Creekthe Hell Creek Formation

Wiktionary example (CC BY-SA 4.0)

Sources & notes

Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗

Common questions

What does “thành hệ” mean?

(noun) formation

Is “thành hệ” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.