Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The threshold of a physiological or psychological response.

from the GNU version of the Collaborative International Dictionary of English

  • n. a threshhold, especially the point where a psychological or physiological effect begins to occur.

from The Century Dictionary and Cyclopedia

  • n. In experimental psychology and psychophysics, the threshold; the dividing line between noticeableness and unnoticeableness of stimulus.
  • n. In anatomy, the portion of brain-substance situated between the base and the island of Reil.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the smallest detectable sensation

Etymologies

Latin līmen, threshold.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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