Definition of "dendrochronology" []

• The study of climate changes and past events by comparing the successive annual growth rings of trees or old timber. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The use of tree rings to measure past temperature - properly known as dendrochronology - has long been problematical."
• "It can afford geophysics on every dig, and other techniques such as dendrochronology as required."
• "[Link] I don't know about this "dendrochronology" stuff (sounds to me like some sort of pagan tree-worship), but I do know that the Balch House (pictured below in a very, very old photograph) looks very, very old to me."