Definition

1. Noun:
   • A person who takes part in a public protest or rally: A "demonstrator" is someone who publicly expresses their opinion, often with others, to support or oppose a social or political cause.
   • A person who shows how a product works to potential customers: A "demonstrator" is someone whose job is to explain and exhibit the features of an item to encourage people to buy it.
   • A person who teaches by showing practical examples, often in a laboratory or classroom setting: A "demonstrator" is a teacher or assistant who illustrates scientific principles or procedures through practical exhibition.

Usage Examples

• Noun:
  • The police spoke with the demonstrators who were marching for climate action.
  • A demonstrator at the electronics store showed us how the new vacuum cleaner works.
  • The chemistry demonstrator prepared the experiment for the undergraduate lab class.

Advanced Usage

• "Lead demonstrator": The main organizer or speaker at a public protest.
  • The lead demonstrator addressed the crowd through a megaphone.
• "Product demonstrator": Specifically refers to someone hired to promote goods in retail environments.
  • She worked part-time as a product demonstrator in a supermarket.

Variants and Related Words

• Demonstrate (verb): To show clearly; to take part in a public protest.
  • The scientist will demonstrate the experiment.
  • Thousands gathered to demonstrate against the new law.
• Demonstration (noun): A public march or protest; an act of showing how something works.
  • The demonstration was peaceful.
  • He gave a demonstration of the software's new features.
• Demonstrative (adjective): Showing feelings openly; serving as proof or demonstration.
  • She is a very demonstrative person, always hugging her friends.

Synonyms

• Protester: A person who publicly demonstrates opposition to something.
• Exhibitor: A person who displays items for public viewing.
• Instructor: A person who teaches something.

Related Phrases

• "Crowd of demonstrators": A large group of people protesting together.
  • A crowd of demonstrators gathered in the square.
• "To work as a demonstrator": To have a job showing products or teaching through practical example.
  • He worked as a demonstrator while he was a university student.

Noun

1. someone who participates in a public display of group feeling
2. someone who demonstrates an article to a prospective buyer
3. a teacher or teacher's assistant who demonstrates the principles that are being taught