n.
Pronunciation: ˌ kla-d ə - ' je-n ə -s ə s
Function: noun
Date: 1953
: evolutionary change characterized by treelike branching of taxa ― compare ANAGENESIS
– clad · o · ge · net · ic \ ˌ kla-d ō -j ə - ' ne-tik \ adjective
– clad · o · ge · net · i · cal · ly \ -ti-k( ə -)l ē \ adverb