noun person used in experiments
ADJECTIVE
▪ human
▪
The company used my client as a human ~.
VERB + GUINEA PIG
▪ act as , be
▪
Twenty students volunteered to act as ~s.
▪
She wants Burke to be the ~ in the experiment.
▪ use sb as
PREPOSITION
▪ ~ for
▪
Dealers used their clients as ~s for their untried techniques.