noun
the ratio of the circumference to the diameter of a circle
Examples
- approximately equal to 3.14159265358979323846...
noun
someone who can be employed as a detective to collect information
Synonyms
noun
the scientist in charge of an experiment or research project
Synonyms
principal investigator
noun
the 16th letter of the Greek alphabet
noun
an antiviral drug used against HIV
Synonyms
protease inhibitor
Examples
- interrupts HIV replication by binding and blocking HIV protease
- often used in combination with other drugs