quỹ đạo
[kwi˦ˀ˥ ʔɗaːw˧˨ʔ]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
(noun) trajectory, path traced out by a moving point particle or solid object
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Nếu khử thời gian t ra khỏi các phương trình này, ta sẽ được phương trình quỹ đạo dưới dạng thông thường, tức là dưới dạng hệ thức giữa các tọa độ.If we eliminate the time t from these equations, we will obtain the equations of the trajectory in normal form, i.e. as a relationship between the coordinates.
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 ↗
Sense 2
Common questions
What does “quỹ đạo” mean?
(noun) trajectory, path traced out by a moving point particle or solid object
Is “quỹ đạo” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.