noun
an annual formation of wood in plants as they grow
• Syn: ↑annual ring
• Hypernyms: ↑organic phenomenon
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noun* * *
growth ring noun
A recognizable increment of wood in a cross-section of a branch or trunk, usu but not necessarily an annual ring
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Main Entry: ↑grow
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growth ring,
= annual ring: (Cf. ↑annual ring) »
Growth rings are the layers of wood laid down by the cambium in successive periods (Fred W. Emerson).
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n. a concentric layer of wood, shell, or bone developed during an annual or other regular period of growth
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a layer of wood, shell or bone developed in one year, or in another regular period of growth, that an expert can look at to find out how old sth is
Useful english dictionary. 2012.