The act of distinguishing between things.
The condition of understanding.
The ability to distinguish between things.
Aesthetic discrimination; taste, appreciation.
The ability to make wise judgements; sagacity.
Perceptiveness.
Discretion in judging objectively.
The ability to perceive differences that exist.
The ability to distinguish; judgement.
Any science involved in studying phenomena or laws of the physical world: physics, chemistry, biology, astronomy, and so on.