|äntəjə̇|ned.ik adjective
Etymology: International Scientific Vocabulary, from New Latin ontogenesis, after such pairs as Late Latin antithesis : antitheticus antithetical
1. : of or relating to ontogeny
2. : based on visible morphological characters and not necessarily indicative of natural evolutionary relationships
an ontogenetic key to the Lygaeidae
3. : appearing in the course of ontogenetic development : individual
ontogenetic traits
an ontogenetic modification
• on·to·ge·net·i·cal·ly -d.ə̇k(ə)lē adverb