Definition of 一念 (いちねん)
いちねん
                        一念
いちねん
ichinen
Common word
noun
1.
determined purpose
2.
an incredibly short span of time (i.e. the time occupied by a single thought)(Buddhist term)
3.
Related Kanji
| 一 | one, one radical (no.1) | 
| 念 | wish, sense, idea, thought, feeling, desire, attention |