adjective

radiochronologique

/ʁa.djɔ.kʁɔ.nɔ.lɔ.ʒik/

adjective/ʁa.djɔ.kʁɔ.nɔ.lɔ.ʒik/

radiochronological

From radiochronologie + -ique.

radiochronologique — French Dictionary | Passage