From Haeckel + -ian. <span class="searchmatch">Haeckelian</span> (comparative more <span class="searchmatch">Haeckelian</span>, superlative most <span class="searchmatch">Haeckelian</span>) Of or relating to the zoologist Ernst Haeckel (1834-1919)....
From <span class="searchmatch">Haeckelian</span> + -ism. <span class="searchmatch">Haeckelianism</span> (uncountable) <span class="searchmatch">Haeckelian</span> beliefs....
From Haeckel + -ism. Haeckelism (uncountable) <span class="searchmatch">Haeckelian</span> beliefs. schemalike...
(téktōn, “a carpenter”) + -logy. tectology (uncountable) (biology) A <span class="searchmatch">Haeckelian</span> division of morphology; the science of organic individuality constituting...