Used attributively before another noun to denote relation to a substance or device that softens: e.g., “softener pellets,” “softener setting.”
adoucissantQualifie un produit, un dispositif ou un réglage destiné à adoucir quelque chose. The softener cycle on the dishwasher runs for ten minutes.
Le cycle adoucissant du lave-vaisselle dure dix minutes.