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laboratory

/ləˈbɒrətri/noun

उच्चारण लबॉरट्री

प्रयोगशाला

Core word

nounlaboratories
  1. 1

    [C]

    a room or building used for scientific research, experiments, testing

    प्रयोगशाला

    • a science laboratory
    • The students spent the afternoon working in the chemistry laboratory.
    • The laboratory is equipped with modern microscopes.
    + 3 more examples
    • Samples of the water were sent to a laboratory for testing.
    • Students must wear a coat when they enter the laboratory.
    • She works in a medical laboratory in Pune.

    Synonyms lab research centre workshop

§Structures (grammar patterns) 4

laboratory (countable noun)

The plural is laboratories, with y changed to ies; the word is formal for lab.

Plural laboratories है, जिसमें y बदलकर ies हो जाता है; यह lab का औपचारिक रूप है।

  • The institute has three laboratories.
  • The laboratory is on the first floor.

in / at a laboratory

Use in for work done inside the room and at for the organisation, such as at a government laboratory.

कमरे के भीतर किए गए काम के लिए in और संस्था के लिए at आता है, जैसे at a government laboratory।

  • The vaccine was tested in a laboratory.
  • Her father works at a defence laboratory.

laboratory + noun

As a modifier it forms laboratory equipment, laboratory test and laboratory technician.

Modifier के रूप में यह laboratory equipment, laboratory test और laboratory technician बनाता है।

  • The laboratory equipment was cleaned after the practical.

pronunciation and stress

In British English the stress falls on the second syllable: la-BOR-a-try; students should not say la-bo-RA-tory.

British English में बल दूसरे syllable पर पड़ता है: la-BOR-a-try; विद्यार्थियों को la-bo-RA-tory नहीं बोलना चाहिए।

  • The word laboratory has four syllables in British English.
+Collocations 4

adjective + laboratory

researchforensicmedicalchemicalnationalwell-equipped

  • The forensic laboratory examined the evidence.

verb + laboratory

set upwork invisitrunequipinspect

  • The college set up a modern physics laboratory.

laboratory + noun

technicianexperimenttestanimalconditionsreport

  • The laboratory technician prepared the slides.

laboratory + preposition

under laboratory conditionsin a laboratoryat the laboratory

  • The results were obtained under laboratory conditions.
“More examples 6
  • Scientists at the national laboratory discovered a new compound.

राष्ट्रीय प्रयोगशाला के वैज्ञानिकों ने एक नए यौगिक की खोज की।

  • Radhika dreams of working in a research laboratory.

राधिका एक शोध प्रयोगशाला में काम करने का सपना देखती है।

  • The laboratory is locked after school hours.

स्कूल के समय के बाद प्रयोगशाला में ताला लगा दिया जाता है।

  • Food samples from the market are tested in a laboratory.

बाज़ार से लिए गए खाद्य नमूनों की प्रयोगशाला में जाँच होती है।

  • The textbook explains safety rules for the laboratory.

पाठ्यपुस्तक में प्रयोगशाला के सुरक्षा नियम समझाए गए हैं।

  • Radhika's teacher showed the class how to handle chemicals in the laboratory.

राधिका की शिक्षिका ने कक्षा को दिखाया कि प्रयोगशाला में रसायनों को कैसे सँभाला जाए।

!Common mistakes 2

✗ The laboratories of our school is big.

✓ The laboratories of our school are big.

The subject is the plural laboratories, so the verb is are.

Subject plural 'laboratories' है, इसलिए verb are आएगी।

✗ He performed an experiment at laboratory.

✓ He performed an experiment in a laboratory.

A singular countable noun needs an article.

Singular countable noun के साथ article चाहिए।

≈Synonyms and antonyms

Synonyms

lab research centre workshop

AaSpelling

la·bor·a·to·ry