annual ring
noun
an annual formation of wood in plants, consisting of two concentric layers, one of springwood and one of summerwood.
Origin of annual ring
1First recorded in 1875–80
- Also called growth ring, tree ring.
Words Nearby annual ring
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for annual ring
annual ring
noun
a ring of wood indicating one year's growth, seen in the transverse section of stems and roots of woody plants growing in temperate climates: Also called: tree ring
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for annual ring
annual ring
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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