Age

Length of time something has existed.

age ages

Age refers to the length of time that someone or something has existed, typically measured in years. It is commonly used to describe the life span of humans, animals, objects, or events.

/eɪdʒ/

From Old French aage, from Latin aetas.

Age is how long something has been around, like saying a tree is 10 years old or your favorite toy is 5 years old.

The Earth is approximately 4
54 billion years old
Some trees, like bristlecone pines, can live for over 5,000 years
Scientists use tree rings to estimate the age of trees and learn about past climates

time period

youth adulthood seniority

lifespan existence

abstract concept measurable attribute temporal