What does "deionized water" mean?

Water that has had nearly all of its dissolved mineral ions, such as sodium, calcium, and chloride, removed through the process of ion exchange.

Deionized water

Common synonyms include: demineralized water, di water, di water grade, distilled water, electrolyte free water, high purity water.

noun

noun ·Rare ·Advanced level

Noun

1
Water that has had nearly all of its dissolved mineral ions, such as sodium, calcium, and chloride, removed through the process of ion exchange. countable, uncountable