attenuating
at-ten-u-at-ing
verb (present participle)
Making something weaker, less intense, or thinner in form.
"The material was attenuating the sound waves."
adjective
Having the effect of weakening or reducing intensity.
"An attenuating filter reduced the light."
Thesaurus
Synonyms: rarefy, attenuate, faded, decreased, reduced, weakened, attenuated