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单词 tree-ring
释义

> as lemmas

tree-ring
tree-ring n. an annual growth ring in the trunk of a tree.
ΘΚΠ
the world > plants > part of plant > part of tree or woody plant > wood > [noun] > ring or layer
insertion1624
ring1664
annual ring1672
year1708
year ring1845
growth ring1907
tree-ring1919
1919 A. E. Douglass Climatic Cycles & Tree-growth iii. 23 The plan of using tree-rings for the general purpose of a check on astronomical and meteorological phenomena was first formulated in 1901.
1982 Nature 6 May 28/1 Others have sought an explanation of..variations in tree rings.
extracted from treen.
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as lemmas
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更新时间:2024/9/21 0:32:28