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.

Noun

(en noun)

An increase in size, number, value, or strength.

*{{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=70, magazine=(The Economist)

, title= Engineers of a different kind , passage=Private-equity nabobs bristle at being dubbed mere financiers.

(biology) The act of growing, getting bigger or higher.

(biology) Something that grows or has grown.

(pathology) An abnormal mass such as a tumor.