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limestone

/ˈlaɪmstəʊn/noun

उच्चारण लाइम्स्टोन

चूना पत्थर

Core word

noun
  1. 1

    [U]

    a type of white or grey stone that contains calcium, used in building and in making cement

    चूना पत्थर

    • The cliffs are made of limestone.
    • Limestone is the main raw material for cement.
    • The caves were formed in limestone.
    + 2 more examples
    • This old temple is built of limestone.
    • Limestone is heated to make lime.
§Structures (grammar patterns) 3

limestone (uncountable noun)

Limestone is a type of white or grey rock containing calcium. As a material it is uncountable; 'a limestone' is used only for a particular kind.

Limestone कैल्शियम युक्त सफ़ेद या धूसर चट्टान है। सामग्री के रूप में यह uncountable है; 'a limestone' केवल किसी विशेष प्रकार के लिए प्रयुक्त होता है।

  • The temple is built of limestone.
  • Limestone is used to make cement.

limestone + noun

As a modifier it forms limestone cave, limestone quarry and limestone cliff.

Modifier के रूप में यह limestone cave, limestone quarry और limestone cliff बनाता है।

  • Tourists explored a limestone cave in Meghalaya.

made of / formed from limestone

Use 'made of' or 'built of' for the material, and 'formed from' for geological origin.

सामग्री के लिए 'made of' या 'built of', और भूवैज्ञानिक उत्पत्ति के लिए 'formed from' आता है।

  • The statue is carved from limestone.
  • The rock was formed from the shells of tiny sea animals.
+Collocations 4

limestone + noun

cavequarrycliffdepositplateauhill

  • The village is near a limestone quarry.

adjective + limestone

whitesoftpolishedcrushedgreyporous

  • Crushed limestone is used in road building.

verb + limestone

quarrycarveburncrushdissolve

  • Rainwater slowly dissolves limestone to form caves.

limestone + use

cementlimebuilding stonefertiliserflooring

  • Limestone is the main raw material for cement.
“More examples 5
  • Cement factories need a regular supply of limestone.

सीमेंट कारखानों को limestone की नियमित आपूर्ति चाहिए।

  • Radhika's geography book explains how caves form in limestone.

राधिका की भूगोल की पुस्तक बताती है कि limestone में गुफाएँ कैसे बनती हैं।

  • The old fort walls were made from local limestone.

पुराने किले की दीवारें स्थानीय limestone से बनी थीं।

  • Limestone reacts with acid and gives off carbon dioxide.

limestone अम्ल से अभिक्रिया करके कार्बन डाइऑक्साइड छोड़ता है।

  • Marble is formed when limestone is heated under pressure.

जब limestone दबाव में गर्म होता है, तब संगमरमर बनता है।

!Common mistakes 1

✗ Limestones are used in making cement.

✓ Limestone is used in making cement.

As a material, limestone is uncountable and takes a singular verb.

सामग्री के रूप में limestone uncountable है और singular verb लेता है।

≠Thesaurus: which synonym when

Limestone, marble and chalk are related rocks that differ in hardness.

Limestone, marble और chalk संबंधित चट्टानें हैं जो कठोरता में भिन्न हैं।

limestone

A sedimentary rock of calcium carbonate, used in building and cement.

कैल्शियम कार्बोनेट की अवसादी चट्टान, जो निर्माण और सीमेंट में प्रयुक्त होती है।

  • The cliff is limestone.

marble

A hard, polished rock formed from limestone under heat.

ताप से limestone से बनी कठोर, चमकदार चट्टान।

  • The Taj Mahal is made of marble.

chalk

A soft white rock used for writing.

लिखने में प्रयुक्त मुलायम सफ़ेद चट्टान।

  • The teacher wrote with chalk.
✓In the exam

General knowledge

Limestone is mainly calcium carbonate, and when it is changed by heat and pressure it becomes marble.

Limestone मुख्य रूप से calcium carbonate है, और ताप तथा दबाव से बदलने पर यह marble (संगमरमर) बन जाता है।