<synset id="n15046077" type="n">
<lex_filenum>27<lex_filenum/>
<word lex_id="0">sodium pyrophosphate<word/>
<word lex_id="0">tetrasodium pyrophosphate<word/>
<pointer refs="n15097209">Hypernym<pointer/>
<def>a sodium salt of pyrophosphoric acid used as a builder in soaps and detergents<def/>
<synset/>