demonstrátor

Demonstrátor is a term used in several Central European languages (German, Czech, Slovak, Hungarian) to denote either a person who performs demonstrations or a device used to demonstrate something. The exact meaning depends on context.

Educational use: In universities and colleges, a demonstrátor is a staff member or student who conducts demonstrations of experiments for groups of students, typically in laboratories or practical seminars. Duties often include preparing experimental setups, ensuring safety compliance, guiding students during demonstrations, answering questions, and assisting instructors with assessment.

Industrial/retail use: In marketing and retail, a demonstrátor or product demonstrator is a person employed to show how a product works, explain features, perform trials, and gather customer feedback, usually on shop floors, showrooms, or trade fairs.

Research and development: In research projects or advanced technology marketing, a demonstrator (demonstrator platform or vehicle) refers to a prototype or live system built to illustrate a concept, feasibility, or performance of a technology to stakeholders before full-scale deployment.

Context and variation: The term's precise meaning varies by country, institution, and field, but it generally denotes a role or device used to show, explain, or prove something to an audience.