noun
- a person who investigates something jointly with one or more other investigators
Usage: commonly used in academic research, law enforcement, and scientific studies
Examples
- Dr. Smith and her coinvestigator published their findings on climate change together.
- The detective worked with a coinvestigator to solve the complex case.
- As a coinvestigator on the grant, she shared responsibility for the project's success.
- The two coinvestigators divided the research tasks between them.
- He was listed as a coinvestigator on three major studies last year.