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American Dictionary of the English Language

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Perception


PERCEP'TION, noun [Latin perceptio. See Perceive.]

1. The act of perceiving or of receiving impressions by the senses; or that act or process of the mind which makes known an external object. In other words, the notice which the mind takes of external objects. We gain a knowledge of the coldness and smoothness of marble by perception

2. In philosophy, the faculty of perceiving; the faculty or peculiar part of man's constitution, by which he has knowledge through the medium or instrumentality of the bodily organs.

3. Notion; idea.

4. The state of being affected or capable of being affected by something external.

This experiment discovers perception in plants.