dendrochronology


den·dro·chro·nol·o·gy

noun \ˌden-(ˌ)drō-krə-ˈnä-lə-jē\

Definition of DENDROCHRONOLOGY

:  the science of dating events and variations in environment in former periods by comparative study of growth rings in trees and aged wood
den·dro·chro·no·log·i·cal \-ˌkrä-nə-ˈlä-ji-kəl, -ˌkrō-\ adjective
den·dro·chro·no·log·i·cal·ly \-ji-k(ə-)lē\ adverb
den·dro·chro·nol·o·gist \-krə-ˈnä-lə-jist\ noun

First Known Use of DENDROCHRONOLOGY

circa 1928

dendrochronology

noun    (Concise Encyclopedia)

Method of scientific dating based on the analysis of tree rings. Because the width of annular rings varies with climatic conditions, laboratory analysis of timber core samples allows scientists to reconstruct the conditions that existed when a tree’s rings developed. By taking thousands of samples from different sites and different strata within a particular region, researchers can build a comprehensive historical sequence that becomes a part of the scientific record. Such master chronologies are used by archaeologists, climatologists, and others.

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