trialist /ˈtɹaɪəlɪst/noun 5adjective 1forms 1 noun5 •A person who takes part in a clinical trial, especially as a researcher.Having completed their trial, the trialists should ensure that they discuss it in the context of a systematic review of related studies. — 2002 •A person who tries a product for the first time (as opposed to a regular purchaser); a person who participates in the trial of a new product.models of stationary market conditions slightly underestimate the amount of once-only purchasing by brand trialists — 1986 •(UK) An athlete who participates in a trial (competition to select players for a team); a person who enters a dog (especially a sheepdog) in a competition.The following Saturday morning, with other members of the committee, I was on the touchline observing the trialists in action. It was a very good trial, with plenty of exciting talent on view. — 1998 •(South-Africa) A person standing trial in a court of law, especially one of a group of defendants in a high-profile case.Mandela’s fellow treason trialist, the feisty Helen Joseph, was the first person to be placed under house arrest. — 2006 •An advocate of trialism, especially with reference to the proposed creation of a state comprising Austria, Hungary, and a Slavic region. adjective1 •Involving three elements; especially, pertaining to a potential state comprising Austria, Hungary, and a Slavic region.Only if Bosnia-Herzegovina were fully annexed to the empire would it be possible eventually to incorporate it into the structure of a reformed trialist monarchy. — 2012 formstrialists
