From under- + chlorinated. <span class="searchmatch">underchlorinated</span> (comparative more <span class="searchmatch">underchlorinated</span>, superlative most <span class="searchmatch">underchlorinated</span>) Containing too little chlorine. 2011...
organochlorinated overchlorinated polychlorinated polychlorinated biphenyl sulphochlorinated tetrachlorinated trichlorinated unchlorinated <span class="searchmatch">underchlorinated</span>...
undercharacterized undercharge underchef underchief underchieftain <span class="searchmatch">underchlorinated</span> underchoreographed underchurched undercitation undercited undercitizen...