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P.I.

[pahy] / paɪ /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sharp, who worked at the Greenwich Royal Observatory and has a crater on the moon named after him, was also a mathematician who calculated pi to 72 decimal places.

From BBC • Apr. 1, 2026

In science-fiction scenarios of first contact with extraterrestrials, humans usually bootstrap a common language with mathematics, demonstrating that we know the digits of pi and so forth.

From The Wall Street Journal • Jan. 9, 2026

Ramanujan's methods became foundational to modern mathematical and computational approaches for calculating pi, including those used by today's most advanced machines.

From Science Daily • Dec. 16, 2025

That approaches but still falls short of the classically modeled pentacene and its 22 pi electrons.

From Science Magazine • May 30, 2024

I asked her if that meant the digits of pi would go away.

From "The Miscalculations of Lightning Girl" by Stacy McAnulty




Vocabulary lists containing P.I.