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PI
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
Synonyms:
Classified under:
Nouns denoting man-made objects
Hypernyms ("PI" is a kind of...):
antiviral; antiviral agent; antiviral drug (any drug that destroys viruses)
Hyponyms (each of the following is a kind of "PI"):
Crixivan; indinavir (a protease inhibitor (trade name Crixivan) used for treating HIV)
nelfinavir; Viracept (a protease inhibitor (trade name Viracept) used in treating HIV usually in combination with other drugs)
Norvir; ritonavir (a protease inhibitor (trade name Norvir) used in treating HIV)
Invirase; saquinavir (a weak protease inhibitor (trade name Invirase) used in treating HIV)
Holonyms ("PI" is a part of...):
drug cocktail; HAART; highly active antiretroviral therapy (a combination of protease inhibitors taken with reverse transcriptase inhibitors; used in treating AIDS and HIV)
Sense 2
Meaning:
The 16th letter of the Greek alphabet
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("pi" is a kind of...):
alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)
Holonyms ("pi" is a member of...):
Greek alphabet (the alphabet used by ancient Greeks)
Sense 3
Meaning:
The scientist in charge of an experiment or research project
Synonyms:
Classified under:
Hypernyms ("PI" is a kind of...):
scientist (a person with advanced knowledge of one or more sciences)
Sense 4
Meaning:
Someone who can be employed as a detective to collect information
Synonyms:
operative; PI; private detective; private eye; private investigator; shamus; sherlock
Classified under:
Nouns denoting people
Hypernyms ("PI" is a kind of...):
detective (an investigator engaged or employed in obtaining information not easily available to the public)
Hyponyms (each of the following is a kind of "PI"):
hotel detective; house detective; house dick (a private detective employed by a hotel or retail store)
inquiry agent (a private detective)
store detective (a private detective employed by a merchant to stop pilferage)
Sense 5
Meaning:
The ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("pi" is a kind of...):
transcendental number (an irrational number that is not algebraic)
Context examples:
Test codes of questionnaire questions associated with the Pain Intensity (PI) version 1 for the Clinical Data Interchange Standards Consortium (CDISC) Standard Data Tabulation Model (SDTM).
(CDISC Questionnaire PI v1 Test Code Terminology, NCI Thesaurus)
Pain Intensity (PI v1) Worst pain intensity for various time periods of evaluation.
(PI - Worst Pain Intensity For Various Time Periods of Evaluation, NCI Thesaurus)
A question associated with the PI version 1 questionnaire.
(PI Questionnaire Question, NCI Thesaurus)
Test names of questionnaire questions associated with the Pain Intensity (PI) version 1 for the Clinical Data Interchange Standards Consortium (CDISC) Standard Data Tabulation Model (SDTM).
(CDISC Questionnaire PI v1 Test Name Terminology, NCI Thesaurus)
A traditional unit of plane angle measurement equal to two pi radians or 360 degrees.
(Circle Unit of Plane Angle, NCI Thesaurus)
Pain Intensity (PI v1) Minimum pain intensity for various time periods of evaluation.
(PI - Minimum Pain Intensity For Various Time Periods of Evaluation, NCI Thesaurus)
One radian is about 57 degrees and one degree is pi/180 radians.
(Degree Unit of Plane Angle, NCI Thesaurus)
Pain Intensity (PI v1) Pain intensity for various time periods of evaluation.
(PI - Pain Intensity For Various Time Periods of Evaluation, NCI Thesaurus)
Some PH domains bind with high affinity (low mM or nM Kd) to specific phosphoinositides such as phosphatidyl-inositol (PI) -4,5-bisphosphate, PI-3,4-P2 or PI-3,4,5-P3.
(PH Domain, NCI Thesaurus)
Similarly, the phosphatidylinositol-3-kinase (PI-3K) pathway is directly or indirectly activated by most ErbBs.
(ERBB Family Signaling Pathway, NCI Thesaurus/KEGG)
