Noun

(en noun)

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...

Noun

(wikipedia sensitivity) (sensitivities)

The quality of being sensitive.

The ability of an organism or organ to respond to external stimuli.

* {{quote-magazine, year=2013, month=July-August, author= Fenella Saunders, magazine=(American Scientist)

, title= Tiny Lenses See the Big Picture , passage=The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity . They also have high spatial resolution, resolving incoming images in minute detail.}}

(statistics) The proportion of individuals in a population that will be correctly identified in a binary classification test.

(electronics) The degree of response of an instrument to a change in an input signal.

(photography) The degree of response of a film etc. to light of a specified wavelength.