अंग्रेज़ी

demonstrator

gb/dˈɛmənstɹˌeɪtɚ/ us/dˈɛmənstɹˌeɪtɚ/
B2 अंग्रेज़ी
अर्थ
0 अर्थ
संज्ञा B2 role
1

person in a public protest

A person who joins a public protest.

उपयोग पैटर्न: [demonstrators] protest/march/gather against [something]
आम गलती:
Do not confuse a demonstrator with a demonstration: a demonstrator is a person; a demonstration is the protest event.
समानार्थी शब्द
protester (More common and general for someone taking part in a protest.) | marcher (Emphasizes walking in a protest march.) | activist (Suggests ongoing organized political or social action, not just one protest.)
विलोम शब्द
counterdemonstrator (Someone protesting against another group of demonstrators.)
शब्द-संयोजन
peaceful demonstrator |anti-government demonstrator |pro-democracy demonstrator |climate demonstrator |student demonstrator |thousands of demonstrators |demonstrators gather |demonstrators march |arrest demonstrators |demonstrators clash with police
विषय
politics |society |protest |public_life
उदाहरण
  • Police said several demonstrators were arrested outside the parliament building.
  • Thousands of demonstrators marched through the city calling for stronger climate action.
  • The square was filled with peaceful demonstrators holding signs and chanting.
सीखने वालों के उदाहरण
  • The demonstrators walked through the streets.
  • Many demonstrators carried signs.
संज्ञा B2 role
2

person who shows how something works

A person who shows people how to use or do something.

उपयोग पैटर्न: a demonstrator shows [someone] how to use [something]
आम गलती:
For an ordinary talk or slideshow, presenter is often more natural than demonstrator.
समानार्थी शब्द
presenter (More general; may give information without showing how something works.) | instructor (Emphasizes teaching a skill.) | trainer (Emphasizes helping people practise and learn.)
शब्द-संयोजन
product demonstrator |sales demonstrator |in-store demonstrator |cooking demonstrator |software demonstrator |expert demonstrator |demonstrator shows |demonstrator explains
विषय
work |sales |education |training
उदाहरण
  • A product demonstrator showed shoppers how the new blender worked.
  • The demonstrator explained each step before asking the class to try it themselves.
  • At the trade fair, demonstrators gave short presentations on the software.
सीखने वालों के उदाहरण
  • The demonstrator showed us the new phone.
  • A cooking demonstrator made soup on stage.
संज्ञा technical C1 entity
3

model used to show technology

A test model made to show that a new idea or technology works.

उपयोग पैटर्न: a [technology/product] demonstrator for [something]
आम गलती:
This use refers to the object itself, not the person showing it.
समानार्थी शब्द
prototype (A trial version of a product; not always made mainly for public demonstration.) | demo model (More informal; often used for a product shown to customers.) | proof of concept (Emphasizes proving feasibility rather than resembling a finished product.)
विलोम शब्द
production model (A finished version made for regular sale or use.) | finished product (A completed item rather than a test or display version.)
शब्द-संयोजन
technology demonstrator |working demonstrator |concept demonstrator |prototype demonstrator |demonstrator model |demonstrator vehicle |flight demonstrator |pre-production demonstrator
विषय
technology |engineering |business |innovation
उदाहरण
  • The company built a small technology demonstrator to attract investors.
  • The aircraft began life as a flight demonstrator for a new engine design.
  • Engineers tested the demonstrator before deciding whether to develop a full product.
सीखने वालों के उदाहरण
  • The robot was only a demonstrator, not a product for sale.
  • The team built a demonstrator to show the idea.
संज्ञा C1 role
4

assistant in practical classes

A university helper who supports students in a lab or practical class.

उपयोग पैटर्न: a lab/laboratory demonstrator helps [students] with [practical work]
आम गलती:
This academic meaning is not common in all varieties of English; teaching assistant or lab assistant may be clearer internationally.
समानार्थी शब्द
teaching assistant (More widely understood, especially in American English.) | lab assistant (May focus on helping in a laboratory rather than teaching.) | lab instructor (Often suggests more responsibility for teaching the class.)
विलोम शब्द
student (The person receiving help or instruction rather than giving it.)
शब्द-संयोजन
lab demonstrator |laboratory demonstrator |graduate demonstrator |undergraduate demonstrator |chemistry demonstrator |practical demonstrator |demonstrator post |demonstrator role
विषय
education |university |science |british_english
उदाहरण
  • The lab demonstrator checked that everyone was using the equipment safely.
  • Graduate demonstrators helped first-year students during the chemistry practical.
  • She worked as a demonstrator while completing her PhD.
सीखने वालों के उदाहरण
  • The demonstrator helped me in the lab.
  • A lab demonstrator explained the experiment.
व्याकरण
शब्दकोश रूप
demonstrator
IPA
GB/dˈɛmənstɹˌeɪtɚ/
US/dˈɛmənstɹˌeɪtɚ/
शब्दांश और ज़ोर
demon - strat - or (3 शब्दांश)
Stress on 1st syllable (demon)
शब्द रूप
Noun
  • Base: demonstrator
  • Plural: demonstrators
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