distilled water
US /dɪˌstɪld ˈwɑː.tər/
UK /dɪˌstɪld ˈwɑː.tər/
1.
water that has had most of its impurities removed through distillation
:
•
Always use distilled water in your iron to prevent mineral buildup.
•
The laboratory requires pure distilled water for its experiments.