<span class="searchmatch">polymethines</span> plural of <span class="searchmatch">polymethine</span>...
English Wikipedia has an article on: <span class="searchmatch">polymethine</span> Wikipedia From poly- + methine. <span class="searchmatch">polymethine</span> (plural <span class="searchmatch">polymethines</span>) (organic chemistry) A compound made...
cyanine Wikipedia cyanine (plural cyanines) Any of a family of synthetic <span class="searchmatch">polymethine</span> blue dyes used in photography etc. cryptocyanine hemicyanine hemocyanine...