Web Content Accessibility Guidelines a guide to the accessibility requirements
3 Understandable

3.1.6 Pronunciation

Conformance level: AAA
Criterion released in WCAG version: 2.0

Official description of the success criterion

A mechanism is available for identifying specific pronunciation of words where meaning of the words, in context, is ambiguous without knowing the pronunciation.

What to do?

Provide a way to determine the pronunciation of words where meaning is ambiguous.

Why is it important?

Assists screen readers in correctly pronouncing words.

More about this criterion elsewhere