Fusion weapon (1-4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fusion weapon</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for h-bomb that I've seen before include "Explosive weapon" , "Thermonuclear weapon" , "Hydrogen weapon" , "powerful arm" , "Nuclear weapon" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fusion weapon</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>