geologic time

American  

noun

1. the succession of eras, periods, and epochs as considered in historical geology.

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geologic time Scientific  

/ jē′ə-lŏj′ĭk /

1. The period of time covering the formation and development of the Earth, from about 4.6 billion years ago to today.

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Etymology

Origin of geologic time

First recorded in 1860–65

Example Sentences

Together, these remnants are helping scientists understand how fires have shaped and been shaped by environmental change through geologic time.

From New York Times

Comparing the two examples of the same bone with the same unique features from the same geologic time zone supports their identifications.

From Science Daily

"This trait only changes after really long periods of geologic time," says O'Connor.

From Science Daily

But that period is relatively recent in geologic time, Lloyd explained.

From Science Daily

"Determining the controls on river incision into rock is important for understanding how mountain ranges evolve over geologic time," DiBiase said.

From Science Daily