geographic range

American  

noun

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1. the distance at which a certain light, as that of a lighthouse, is visible to the eye at a given elevation, assuming that the weather is clear and that the light is sufficiently powerful to be visible from any point at which it appears above the horizon.

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Example Sentences

Mountain lions have the widest geographic range of any native mammal in the Americas apart from humans, stretching from western Canada to Argentina.

From Barron's • Jan. 2, 2026

As the California Office of Environmental Health Hazard Assessment notes, “A changing climate may create conditions favorable for invasive mosquito species to expand their geographic range into California.”

From Los Angeles Times • Sep. 30, 2024

The team employed cutting-edge genetic sequencing technology alongside traditional measurements of their physical appearance and geographic range data to redefine species boundaries within the Eunota circumpicta species complex.

From Science Daily • Mar. 27, 2024

It’s nothing like the polymer you started with, and it’s mixed and matched with other plastics in a variety of products across a huge geographic range.

From Slate • Nov. 24, 2023

The Great Leap Forward coincides with the first proven major extension of human geographic range since our ancestors’ colonization of Eurasia.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond