tree ring

noun

1. annual ring.

tree ring

noun

1. another name for annual ring

Word History and Origins

Origin of tree ring¹

First recorded in 1915–20

Example Sentences

Ladd piloted his dust-streaked pickup along the border wall, discussing each stage of fencing as though it was a tree ring marking a distinct political era.

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They will use dendrochronology, also known as tree ring dating, where the rings in the wood are counted to establish the age of a tree.

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A laboratory measurement method can then be used to determine how much 14C is still contained in a particular tree ring and thus calculate the tree's approximate time of death over the known half-life.

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The researchers compared early instrumental data with a large-scale tree ring dataset and found the 19th century temperature baseline used to contextualise global warming is several tenths of a degree Celsius colder than previously thought.

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While El Niño events were first noted by fisherman in the 17th century, they can be observed in the tree ring data much further back in time.

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