density
/ˈdensəti/noun
उच्चारण डेन्सटी
घनत्व
Core word
- 1
[U, C]
the quality of being dense; the degree to which something is dense; (physics) the thickness of a solid, liquid or gas measured by its mass per unit of volume
घनत्व
- population density
- Oil has a lower density than water, so it floats on top.
- The density of traffic is high near the market.
+ 3 more examples
- Water has a density of one gram per cubic centimetre.
- Cities with a high population density need good public transport.
- Iron has a greater density than wood.
Synonyms thickness compactness concentration mass
§Structures (grammar patterns) 4
density of + noun
'Density of' introduces what is measured, such as population, traffic or a material.
'Density of' के बाद वह चीज़ आती है जिसे मापा जा रहा है, जैसे population, traffic या कोई पदार्थ।
- The density of mercury is very high.
- The density of traffic increases at 6 p.m.
density (uncountable) in science
In physics, density is mass per unit volume. In this sense it is usually uncountable.
भौतिकी में density द्रव्यमान प्रति इकाई आयतन है। इस अर्थ में यह प्रायः uncountable होता है।
- Ice floats because its density is lower than that of water.
- Density is measured in kilograms per cubic metre.
population density
Used with 'population', it tells us how many people live in each square kilometre.
'Population' के साथ यह बताता है कि प्रति वर्ग किलोमीटर कितने लोग रहते हैं।
- Bihar has a high population density.
- The population density of Rajasthan is low.
high / low density
Use 'high' or 'low', not 'big' or 'small', to describe density.
Density के लिए 'high' या 'low' का प्रयोग करें, 'big' या 'small' का नहीं।
- The city has a high density of schools.
- A low density of trees makes the area hot.
+Collocations 5
adjective + density
highlowpopulationbonerelative
- Old people often suffer from low bone density.
verb + density
measurecalculateincreasereducedetermine
- The students calculated the density of the liquid.
density + of
populationtrafficmassthe forestthe crowd
- The density of the crowd made walking difficult.
density + noun
formulatablemapratiogradient
- The textbook has a density table for common metals.
in units
kilograms per cubic metregrams per cubic centimetrepeople per square kilometreper hectareper unit area
- Density is expressed in grams per cubic centimetre.
“More examples 5
- Delhi has one of the highest population densities in India.
दिल्ली की जनसंख्या का घनत्व भारत में सबसे अधिक में से एक है।
- Oil floats on water because it has a lower density.
तेल पानी पर तैरता है क्योंकि उसका घनत्व कम होता है।
- The density of the fog reduced visibility to ten metres.
कोहरे के घनत्व के कारण दृश्यता केवल दस मीटर रह गई।
- Radhika measured the mass and volume to find the density of the stone.
राधिका ने पत्थर का घनत्व निकालने के लिए उसका द्रव्यमान और आयतन मापा।
- The high density of buildings leaves little space for parks.
इमारतों के अधिक घनत्व के कारण पार्कों के लिए बहुत कम जगह बचती है।
!Common mistakes 2
✗ The density of population of India is more than China.
✓ The density of population of India is higher than that of China.
Use the comparative 'higher than', and repeat the noun with 'that of' to compare like with like.
तुलना के लिए 'higher than' और समान की तुलना के लिए 'that of' का प्रयोग करें।
✗ Delhi has a big density of population.
✓ Delhi has a high density of population.
Density is described as 'high' or 'low', not 'big' or 'small'.
Density के लिए 'high' या 'low' आता है, 'big' या 'small' नहीं।
◇Word family
≈Synonyms and antonyms
Synonyms
✓In the exam
General knowledge
Bihar has the highest population density among Indian states and Arunachal Pradesh the lowest (Census 2011); physics: density = mass ÷ volume.
भारतीय राज्यों में बिहार का जनसंख्या घनत्व सबसे अधिक और अरुणाचल प्रदेश का सबसे कम है (जनगणना 2011); भौतिकी में घनत्व = द्रव्यमान ÷ आयतन।