<synset id="n15280346" type="n">
<lex_filenum>28<lex_filenum/>
<word lex_id="1">miles per hour<word/>
<word lex_id="1">mph<word/>
<pointer refs="n15286249">Hypernym<pointer/>
<def>the ratio of the distance traveled (in miles) to the time spent traveling (in hours)<def/>
<synset/>