 |
Pi
Found in thesaurus: transcendental number, detective, scientist, man of science, letter, alphabetic character, letter of the alphabet, antiviral agent, antiviral drug, antiviral
| Babylon English | Download this dictionary |
pi
n.
16th letter of Greek alphabet; symbol for the relation between the circumference of a circle and its diameter (Mathematics)
| English Wikipedia - The Free Encyclopedia | Download this dictionary |
PI
PI may refer to:
Science
- Isoelectric point, the pH at which a particular molecule or surface carries no net electrical charge.
- Parental investment, in evolutionary biology
- Paternity Index, a value used to calculate probability of paternity
- Phosphatidylinositol, a class of lipids
- Pistillata, a gene that influences the development of flowers in the ABC model of flower development
- Plasticity index, a measure of the plasticity of a soil
- Polyimide, a polymer of imide monomers
- Ponderal index, a measure of leanness of a person (similar to body mass index)
- Principal investigator, the lead scientist or engineer for a particular project
- Propidium iodide, a chemical used as a DNA stain
- Protease inhibitor (pharmacology), class of drugs used to treat or prevent infection by viruses, including HIV and Hepatitis C
- Protease inhibitor (biology), molecules that inhibit the function of proteases
- Pulsatility index, a ratio of blood flow rates
| See more at Wikipedia.org... |
Pi
The number is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter "" since the mid-18th century, though it is also sometimes spelled out as "pi" .
| See more at Wikipedia.org... |
Pi (disambiguation)
Pi or is a mathematical constant equal to a circle's circumference divided by its diameter.
| See more at Wikipedia.org... |
Pi (letter)
Pi (; Greek: , uppercase Π, lowercase π) is the sixteenth letter of the Greek alphabet, representing . In the system of Greek numerals it has a value of 80. It was derived from the Phoenician letter pe . Letters that arose from pi include Cyrillic Pe (П, п), Coptic pi , and Gothic pairthra .
| See more at Wikipedia.org... |
© This article uses material from Wikipedia® and is licensed under the GNU Free Documentation License and under the Creative Commons Attribution-ShareAlike License
| WordNet 2.0 | Download this dictionary |
PI
Noun
1. someone who can be employed as a detective to collect information
(synonym) private detective, private eye, private investigator, operative, shamus, sherlock
(hypernym) detective
(hyponym) hotel detective, house detective, house dick
2. the scientist in charge of an experiment or research project
(synonym) principal investigator
(hypernym) scientist, man of science
3. an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
(synonym) protease inhibitor
(hypernym) antiviral, antiviral agent, antiviral drug
(hyponym) indinavir, Crixivan
(part-holonym) drug cocktail, highly active antiretroviral therapy, HAART
pi
Noun
1. the ratio of the circumference to the diameter of a circle
(synonym) 3.14159265358979323846...
(hypernym) irrational number
2. the 16th letter of the Greek alphabet
(hypernym) letter, letter of the alphabet, alphabetic character
(member-holonym) Greek alphabet
| Babylon French-English | Download this dictionary |
pi
nm.
pi, 16th letter of Greek alphabet; symbol for the relation between the circumference of a circle and its diameter (Mathematics)
| Babylon Italian-English | Download this dictionary |
pi
nf.
pi, 16th letter of Greek alphabet; symbol for the relation between the circumference of a circle and its diameter (Mathematics)
