Definition of suprathreshold in English:
suprathreshold
Pronunciation /ˌsuːprəˈθrɛʃ(h)əʊld/ /ˌsjuːprəˈθrɛʃ(h)əʊld/
adjective
Physiology
Higher than the threshold value required for the perception of a stimulus.
Origin
Early 20th century; earliest use found in Psychological Review.