tree ring

noun
1.
annual ring.
Origin
1915-20
Examples from the web for tree ring
  • tree ring temperature reconstructions are not even the main evidence for climate change.
  • The problem is not limited to the tree ring proxies.
  • Records of past temperature, precipitation, and climate and environmental change derived from tree ring measurements.
British Dictionary definitions for tree ring

tree ring

noun
1.
another name for annual ring
Contemporary definitions for tree ring
noun

any of the concentric rings of the cross-section of a tree trunk, representing a year's growth; the layer of wood produced by a year's growth in a woody plant; also called annual ring

noun

one of the markings on fauna that correspond to a year's growth; also called annulus