<synset id="n09369520" type="n">
<lex_filenum>17<lex_filenum/>
<word lex_id="0">neutron<word/>
<pointer refs="n09374886">Hypernym<pointer/>
<def>an elementary particle with 0 charge and mass about equal to a proton<def/>
<def>enters into the structure of the atomic nucleus<def/>
<synset/>