difference limen vs difference threshold

difference limen and difference threshold both are nouns.

Word	Noun	Adjective	Verb	Adverb
difference limen	Yes	No	No	No
difference threshold	Yes	No	No	No

As nouns, difference limen and difference threshold are synonyms defined as:

difference limen and difference threshold: the smallest change in stimulation that a person can detect

Other synonyms of difference limen include differential limen, differential threshold.

difference limen (noun)	difference threshold (noun)
the smallest change in stimulation that a person can detect	the smallest change in stimulation that a person can detect