From syntrophy + -ic. <span class="searchmatch">syntrophic</span> (comparative more <span class="searchmatch">syntrophic</span>, superlative most <span class="searchmatch">syntrophic</span>) Of or pertaining to syntrophy....
From <span class="searchmatch">syntrophic</span> + -ally. <span class="searchmatch">syntrophically</span> (not comparable) By means of syntrophy. 2011, Paul Vos, George Garrity, Dorothy Jones, Bergey's Manual of Systematic...