<synset id="n05863583" type="n">
<lex_filenum>09<lex_filenum/>
<word lex_id="0">Fourier series<word/>
<pointer refs="n05862721">Hypernym<pointer/>
<def>the sum of a series of trigonometric expressions<def/>
<def>used in the analysis of periodic functions<def/>
<synset/>