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annual ring

noun

  1. an annual formation of wood in plants, consisting of two concentric layers, one of springwood and one of summerwood.


annual ring

noun

  1. 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 calledtree 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


annual ring

  1. See under growth ring


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Word History and Origins

Origin of annual ring1

First recorded in 1875–80

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annual reportannuitant