mặt phẳng
[mat̚˧˨ʔ faŋ˧˩]
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
(noun) plane
Noun
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Trái đất từng được tin rằng nó là một mặt phẳng.It was believed that the earth was flat.
Tatoeba sentence #1555310 (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 “mặt phẳng” mean?
(noun) plane
Is “mặt phẳng” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.