SUBTHRESHOLD
Meaning of SUBTHRESHOLD in English
/sub thresh"ohld, -thresh"hohld/ , adj. Psychol., Physiol.
(of a stimulus) too weak to produce a response.
[ 1940-45; SUB- + THRESHOLD ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012