dendrochronologyPronunciation: /ˌdɛndrəʊkrəˈnɒlədʒi/Definition of dendrochronology noun [mass noun] the science or technique of dating events, environmental change, and archaeological artefacts by using the characteristic patterns of annual growth rings in timber and tree trunks. Derivatives dendrochronologicalPronunciation: /-krɒnəˈlɒdʒɪk(ə)l/ adjective dendrochronologist noun dendrochronology in other Oxford dictionaries Definition of dendrochronology in the US English dictionary