anthropic principle

noun

: either of two principles in cosmology:
a
: conditions that are observed in the universe must allow the observer to exist

called also weak anthropic principle

b
: the universe must have properties that make inevitable the existence of intelligent life

called also strong anthropic principle

Examples of anthropic principle in a Sentence

Recent Examples on the Web
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This is called the anthropic principle, the idea that humans can only have evolved in a universe with fundamental constants that allow this evolution. The Physics Arxiv Blog, Discover Magazine, 28 Feb. 2023 Carter’s observation that our universe is finely tuned for the emergence of life has been called the anthropic principle. Alan Lightman, The Atlantic, 8 Sep. 2022 One of the most prominent—and, by some, most hated—solutions to the cosmological constant problem is called the anthropic principle. Clara Moskowitz, Scientific American, 1 Feb. 2021

Word History

First Known Use

1974, in the meaning defined above

Time Traveler
The first known use of anthropic principle was in 1974

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Cite this Entry

“Anthropic principle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anthropic%20principle. Accessed 9 Sep. 2025.

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