Definition from Wiktionary, the free dictionary
From French nuance meaning "nuance", "shade" or "hue".
nuance (plural nuances)
- A minor distinction.
- Subtlety or fine detail.
- Understanding the basics is easy; appreciating the nuances takes years.
- 1901: Alpheus Spring Packard, Lamarck, the Founder of Evolution
- ...the richer our collections become, the more numerous are the proofs that all is more or less shaded (nuance), that the remarkable differences become obliterated...
Derived terms 
subtlety or fine detail
nuance f (plural nuances)