What does "acidification" mean?

The act or process of making something sour (acidifying), or changing into an acid.

What is a synonym for "acidification"?

Common synonyms include: acidify, carbonation, catalysis, electrolysis, ferment, fermentation.

Pronounced //əˌsɪdɪfɪˈkeɪʃən//.

/əˌsɪdɪfɪˈkeɪʃən/ noun

noun ·Rare ·Advanced level

Noun

1
The act or process of making something sour (acidifying), or changing into an acid. countable, uncountable
"Coral reefs, for instance, are suffering from the higher temperatures and the effects of acidification whilst also being weakened by bad fishing practices, pollution, siltation and toxic algal blooms."
2
the process of becoming acid or being converted into an acid wordnet

"Acidification of the ocean will, in time, threaten the very existence of the Great Barrier Reef."

Borrowed from French acidification, equivalent to acid + -ification.