ẩn số
[ʔən˧˩ so˧˦]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(noun) an unknown
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Sources & notes
Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗
Sense 2
Meaning · English
(noun) an unknown entity, a missing link, a mystery or an enigma
Nghĩa · Tiếng Việt
một thực thể không biết, một liên kết thiếu, một bí ẩn
Machine-translated — suggest a fix
Common questions
What does “ẩn số” mean?
(noun) an unknown
Is “ẩn số” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.