Noun
TNO (plural TNOs)
(astronomy) Initialism of trans-Neptunian object.
Coordinate terms: KBO, EKO
Hyponym: ETNO
TNO offers once again this year a variety of initiatives and activities that enhance the experience of its spectators. Source: Internet
When researchers came across the small object having a strange orbit, they learnt the possible presence of the huge planet which maybe influencing the strange orbit of the TNO. Source: Internet