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Matching the pattern in trees whose age is known to the pattern in wood found at an archaeological site can establish the age at which the wood was cut and thus the approximate date of the site.

I would also like to acknowledge Martin Munro, Michelle Wood, Phyllis Gress, and Bob Lofgren.

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dendrochronology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors.

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries.

For the entire period of a tree's life, a year-by-year record or ring pattern is formed that in some way reflects the climatic and environmental conditions in which the tree grew.

These patterns can be compared and matched ring for ring with trees growing in the same geographical zone and under similar climatic conditions. Douglass working in the American Southwest, and has since been applied in many areas of the world.

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