The word, phrase, graphic, chemical structure, equation, or other “noun” that is being defined or described with a definition in a definition list. The term occupies the first column of a two-part (definition) list and is the subject of the definition or description.
Any combination of:
<article>
...
<back>...
<glossary>
<def-list>
<title>ABBREVIATIONS</title>
<term-head>Abbreviation</term-head>
<def-head>Expansion</def-head>
<def-item><term id="G1">PAP I</term>
<def><p>poly(A)polymerase I</p></def>
</def-item>
<def-item><term id="G2">PNPase</term>
<def><p>polynucleotide phosphorylase</p></def>
</def-item>
</def-list>
</glossary>...
</back>
</article>
list.ent