dfn

The dfn element represents the defining instance of a term. The paragraph, description list group, or section that is the nearest ancestor of the dfn element must also contain the definition(s) for the term given by the dfn element.

<p>The <dfn title="Garage Door Opener">GDO</dfn>
is a device that allows off-world teams to open the iris.</p>

The GDO is a device that allows off-world teams to open the iris.

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