subthreshold

[ suhb-thresh-ohld, -thresh-hohld ]
/ sʌbˈθrɛʃ oʊld, -ˈθrɛʃ hoʊld /

adjective Psychology, Physiology.

(of a stimulus) too weak to produce a response.

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a granular metamorphic rock.
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Origin of subthreshold

First recorded in 1940–45; sub- + threshold

Words nearby subthreshold

subterrestrial, subtext, subthalamic nucleus, subthalamus, subtherapeutic, subthreshold, subthreshold stimulus, subtile, subtilisin, subtilize, subtilty
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020