Как по Английски будет diacrítico

noun

A sign, such as an accent or cedilla, which when written above or below a letter indicates a difference in pronunciation from the same letter when unmarked or differently marked.

Примеры использования:

Admittedly a lot of those are basic roman characters with diacritics but the exact positioning of t…

adjective

(of a mark or sign) indicating a difference in pronunciation.

Примеры использования:

But it has now lost its appeal largely because a total of 136 syllables require additional phonetic…

adjective

(of a mark or sign) serving to indicate different pronunciations of a letter above or below which it is written.

Примеры использования:

The present orthographic system was introduced in the fourteenth century by the religious reformer …