<synset id="n13820993" type="n">
<lex_filenum>24<lex_filenum/>
<word lex_id="0">efficiency<word/>
<pointer refs="n13819207">Hypernym<pointer/>
<pointer refs="n13821118">Hyponym<pointer/>
<def>the ratio of the output to the input of any system<def/>
<synset/>