purified
adj.cleaned by removing any dirt, chemicals, or other unwanted substances. You use this to describe things like water or air that are now safe and clear.
adj.having been processed to remove contaminants or impurities. Often used as a participial adjective to describe substances like water, chemicals, or gases.
“The hikers drank purified water from the stream.”
“The laboratory requires purified air to prevent any dust from ruining the sensitive experiments.”
“After the chemical spill, the local government installed a new system to ensure that only purified water reached the residential taps in the valley.”
Often used attributively before a noun or predicatively after a linking verb like 'is' or 'remains'.
Learners often use the base verb form instead of the past participle adjective to describe the state of a substance.
“Once melted and purified, it could provide drinking water.”