<synset id="a03089951" type="a">
<lex_filenum>01<lex_filenum/>
<word lex_id="0">mesolithic<word/>
<pointer refs="n15233239" source="1" target="1">Pertainym (pertains to noun)<pointer/>
<def>of or relating to a middle period of the Stone Age (following the paleolithic)<def/>
<synset/>