sub

Substitute one word or phrase with a different word or phrase. Often used to expand/clarify abbreviations.

My favorite chemical element is (Al)[sub:"aluminum"],
but Al prefers (Mg)["magnesium"].

Speech Markdown

Short format

The element is (Al)["aluminum"].

Standard format

The element is (Al)[sub:"aluminum"].

Formatters

Plain Text

The element is Al.

Amazon Alexa SSML

<speak>
    The element is <sub alias="aluminum">Al</sub>.
</speak>

Google Assistant SSML

<speak>
    The element is <sub alias="aluminum">Al</sub>.
</speak>