softener
Softener (noun) means a substance or device used to make something less hard, rough, or harsh — such as hard water or fabric. Example: “They installed a water softener to stop limescale building up in the pipes.”
How to use softener
Learner’s notesIn plain EnglishSomething added to a process — like laundry or plumbing — specifically to make things softer.
Word forms
- Plural
- softeners
Fill the gap
Can you complete this real example?
They installed a water _____ to stop limescale building up in the pipes.
Etymology
From Middle English softener, built from soften plus the agent-suffix -er.