Definitions

1. noun

A notation or symbol used to indicate the meaning of a word or the degree of emphasis of a statement.

“The HTML markup made the webpage more accessible for screen readers.”

2. verb

To add or modify notation or symbols in text or a document to indicate meaning, emphasize certain points, or indicate relationships between elements.

“The editor will markup the document to ensure compliance with company standards.”

3. noun

A surcharge or extra charge, especially for goods or services.

“The markup on the new smartphone was so high that it was out of our budget.”