 pi |
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| 1. | [ noun ] the scientist in charge of an experiment or research project | |
| Synonyms: | principal_investigator | |
| Related terms: | scientist | |
| 2. | [ noun ] (work) someone who can be employed as a detective to collect information | |
| Synonyms: | private_eye private_detective operative sherlock shamus private_investigator | |
| Related terms: | detective store_detective inquiry_agent hotel_detective | |
| 3. | [ noun ] (mathematics) the ratio of the circumference to the diameter of a circle | |
| Synonyms: | 3.14159265358979323846... | |
| Related terms: | irrational_number | |
| 4. | [ noun ] (medicine,pharmacology) an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs | |
| Synonyms: | protease_inhibitor | |
| Related terms: | antiviral nelfinavir crixivan norvir invirase drug_cocktail | |
| 5. | [ noun ] the 16th letter of the Greek alphabet | |
| Related terms: | letter Greek_alphabet | |
| Similar spelling: |
Pio PIE pia P |
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