A person whose level of specialized knowledge or skill in a particular field qualifies them to present their opinion about the facts of a case during legal proceedings.
〔律〕专家证人
she was hired as an expert witness because she had assisted in more than 100 similar surgical procedures
Example sentencesExamples
He's also a forensic psychiatrist - one of those guys who testifies as an expert witness in court trials.
For reasons already given, I do not regard the evidence of either expert witness to be of primary assistance on this point.
Once I worked on a case where we had retained an expert witness who was a retired cop to testify about security.
He frequently consults for museums and acts as an expert witness at trials.
An FBI expert witness testified that there was enough plastic explosive hidden in his shoes to blow a large hole in the airplane.
Definition of expert witness in US English:
expert witness
noun
Law
A person who is permitted to testify at a trial because of special knowledge or proficiency in a particular field that is relevant to the case.
she was hired as an expert witness because she had assisted in more than 100 similar surgical procedures
Example sentencesExamples
An FBI expert witness testified that there was enough plastic explosive hidden in his shoes to blow a large hole in the airplane.
He frequently consults for museums and acts as an expert witness at trials.
Once I worked on a case where we had retained an expert witness who was a retired cop to testify about security.
He's also a forensic psychiatrist - one of those guys who testifies as an expert witness in court trials.
For reasons already given, I do not regard the evidence of either expert witness to be of primary assistance on this point.