growth ring

noun

: a layer of wood (such as an annual ring) produced during a single period of growth

Examples of growth ring in a Sentence

Recent Examples on the Web
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In their study, Zanno and her colleagues re-analysed the duelling tyrannosaur, examining growth rings in the bones, developmental anatomical features and patterns of fusion in its spinal bones. Ian Randall, MSNBC Newsweek, 30 Oct. 2025 Extensive fossil examination The specimen’s age was around 20 years based on evidence like growth rings, spinal fusion, and developmental anatomy. Mrigakshi Dixit, Interesting Engineering, 30 Oct. 2025 This conclusion was based on slicing through the fossil's limb bones to examine the growth rings. Ari Daniel, NPR, 30 Oct. 2025 The logs can be cut, milled, sanded and finished just like real wood, and the layers mimic the growth rings of a tree, making the product as aesthetically pleasing as the real thing. Lew Sichelman, Miami Herald, 10 July 2025 See All Example Sentences for growth ring

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of growth ring was in 1907

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Cite this Entry

“Growth ring.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/growth%20ring. Accessed 7 Nov. 2025.

Kids Definition

growth ring

noun
: a layer of wood (as an annual ring) produced during a single period of growth

More from Merriam-Webster on growth ring

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