Prefix used in technical or academic contexts to indicate something is for testing or experimental purposes. Common in compounds like 被験者 (test subject) and 被験物質 (test substance).
The test subject signed a consent form before the experiment.
Evaluate the safety of the test substance.
subject; test subject; trial subject · examinee; person undergoing an examination
test subject; experimental subject
test drug; investigational drug
Compound of 被 (hi, 'receive' or 'undergo') and 験 (ken, 'test' or 'experiment'), forming a prefix meaning 'undergoing testing' or 'experimental'.