<synset id="n14658422" type="n">
<lex_filenum>27<lex_filenum/>
<word lex_id="0">thorium-228<word/>
<word lex_id="0">radiothorium<word/>
<pointer refs="n14658109">Hypernym<pointer/>
<def>radioactive isotope of thorium with mass number 228<def/>
<synset/>