Definition from Wiktionary, the free dictionary
j + -th
jth (not comparable)
- (mathematics) Occurring at position j in a sequence.
2009 February, Lickorish, W. B. Raymond, “WHAT IS... a Skein Module?”, in Notices of the American Mathematical Society, volume 56, number 2, ISSN 0002-9920, page 242:
- An arc labelled a over-crossing one labelled b has jth coordinate with respect to base .