khai triển
[xaːj˧˧ t͡ɕiən˧˩]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(verb) to develop
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
(verb) to expand (in a series)
Examples
Ông đã tìm ra công thức khai triển hàm số thành chuỗi luỹ thừa, ngày nay gọi là chuỗi Taylo (công thức Taylo).He found a formula to expand a function in a power series, now called the Taylor series (Taylor formula).
Wiktionary example (CC BY-SA 4.0)
Common questions
What does “khai triển” mean?
(verb) to develop
Is “khai triển” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.