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alt text
From Wiktionary, the free dictionary
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English
Etymology
Short for alternative text. It is represented in HTML by the alt attribute.
Noun
alt text (countable and uncountable, plural alt texts)
- (Internet) A text caption, associated with an image or other element, that is rendered if the usual content cannot be rendered.
- Screenreaders for the blind read out the alt text when they encounter an image on a Web page.
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