resolution

n. a measure of the ability of the eye or an optical device or system to detect two distinct objects when these are close together. A system with high resolution can distinguish targets very close to one another as individual entities; a system with low resolution can only distinguish targets that are farther apart. Also called resolving power.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

November 15th 2024

tract

1. a bundle or group of nerve fibers within the central nervous system. The name of a tract typically indicates its site of origin followed by its site of termination; for example, the reticulospinal tract runs from the reticular formation of the brainstem to the spinal cord. Compare nerve.

2. a series of organs that as a whole accomplishes a specific function (e.g., the digestive tract).

3. a region, passage, or pathway.