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

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.

From BBC

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.

From Science Daily

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.

From Science Daily

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.

From Science Daily

June, July and August last year were also 3.96 degrees warmer than the average from the years 1 through 1890, which the researchers calculated by combining observed records with tree ring records from nine global regions.

From Los Angeles Times