Atomic (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">atomic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for nuclear that I've seen before include "Concerning subatomic particles" , "power source" , "Type of energy" , "With dangerous weapons" , "kind of war" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">atomic</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 tiny that I've seen before include "Minuscule" , "Miniature" , "Really small" , "Minute, diminutive" , "Extremely small" .)