The brightness a star would have if not attenuated by distance or intervening gas or dust. As opposed to apparent brightness which it has as measured at a distance.

plural of intrinsic brightness

The incentive to undertake an activity based on the expected enjoyment of the activity itself, rather than external benefits that might result.

plural of intrinsic motivation

(biochemistry) A protein (or group of proteins) permanently attached to a biological membrane by interactions between its hydrophobic dimer units and the phospholipids of the membrane

plural of intrinsic protein

A reward, such as the mental satisfaction of completing a challenging task, that is intangible and invisible to others (as opposed to extrinsic reward).

plural of intrinsic reward

(physics) An undoped semiconductor. This means that holes in the valence band are vacancies created by electrons that have been thermally excited to the conduction band, as opposed to doped semiconductors where holes or electrons are supplied by a “foreign” atom acting as an impurity.

plural of intrinsic semiconductor