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pi
1[ pahy ]
noun
- the 16th letter of the Greek alphabet (Π, π).
- the consonant sound represented by this letter.
- Mathematics.
- the letter π, used as the symbol for the ratio of the circumference of a circle to its diameter.
- the ratio itself: 3.141592+.
pi
2[ pahy ]
noun
- printing types mixed together indiscriminately.
- any confused mixture; jumble.
verb (used with object)
- to reduce (printing types) to a state of confusion.
- to jumble.
PI
3- Law. personal injury.
- principal investigator.
- Also P.I., p.i. private investigator.
Pi.
4abbreviation for
- piaster.
P.I.
5abbreviation for
- Philippine Islands.
- Also PI, p.i. private investigator.
PI
1abbreviation for
- Philippine Islands
- private investigator
pi
2/ ±è²¹Éª /
noun
- the 16th letter in the Greek alphabet (Π, π), a consonant, transliterated as p
- maths a transcendental number, fundamental to mathematics, that is the ratio of the circumference of a circle to its diameter. Approximate value: 3.141 592…; symbol: π
pi
3/ ±è²¹Éª /
noun
- a jumbled pile of printer's type
- a jumbled mixture
verb
- to spill and mix (set type) indiscriminately
- to mix up
pi
/ 񊎮 /
- An irrational number that has a numerical value of 3.14159265358979… and is represented by the symbol π. It expresses the ratio of the circumference to the diameter of a circle and appears in many mathematical expressions.
pi
- The irrational number obtained by dividing the length of the diameter of a circle into its circumference . Pi is approximately 3.1416. The sign for pi is π.
51³Ô¹Ï History and Origins
Origin of pi1
Origin of pi2
51³Ô¹Ï History and Origins
Origin of pi1
Origin of pi2
Example Sentences
Classical computers have managed the calculation for molecules as large as pentacene, a chain of five hydrocarbon rings with 22 electrons in “pi†covalent bonds, which govern the molecule’s shape and reactivity.
Most numbers don’t have names, but pi does.
Today, using sophisticated computers, researchers have come up with trillions of digits for pi, but there is no end.
The nerdy holiday, observed on March 14 because the first three digits of pi are 3, 1 and 4, has been recognized by the U.S.
For example, pi times the radius squared, find the area of a circle to calculate pressures on hydraulic cylinders.
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