The ___ table (8)
I believe the answer is:
periodic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the table</span>' is the definition.<br/ ><span class="explanation-format__explanation">(periodic table is a kind of table)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for periodic that I've seen before include "Recurring at regular intervals" , "Occurring or appearing at intervals" , "Happening at intervals" , "At fixed intervals" , "Occasional" .)