<synset id="n15135822" type="n">
<lex_filenum>28<lex_filenum/>
<word lex_id="0">fourth dimension<word/>
<word lex_id="4">time<word/>
<pointer refs="n05093581">Hypernym<pointer/>
<def>the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event<def/>
<synset/>