circumference
/səˈkʌmfərəns/noun
उच्चारण सकम्फ़रन्स
परिधि, घेरा
Core word
- 1
[C, U]
a line that goes around a circle or any other curved shape; the length of this line
परिधि, घेरा
- The circumference of a circle is 2πr.
- The tree is more than five metres in circumference.
- Measure the circumference of the pot with a piece of string.
+ 2 more examples
- The circumference of the Earth is roughly forty thousand kilometres.
- Students found the circumference by multiplying the diameter by pi.
Synonyms perimeter periphery edge
Opposite centre
§Structures (grammar patterns) 4
circumference of a circle
The circumference is the distance around a circle. It is found with 2 pi r. It is a countable but usually singular noun.
Circumference वृत्त की परिधि है, जो 2πr से निकाली जाती है। यह countable है पर प्रायः singular में प्रयुक्त होता है।
- The circumference of the circle is 44 cm.
- Calculate the circumference of the wheel.
the circumference of + noun
Of connects the word with the object whose edge is measured: a tree, a pond, a ball, a track.
'Of' शब्द को उस वस्तु से जोड़ता है जिसका किनारा मापा जाता है: पेड़, तालाब, गेंद या ट्रैक।
- The circumference of the old banyan tree is ten metres.
- We measured the circumference of the pond.
circumference vs perimeter vs diameter
Circumference is the boundary of a circle; perimeter is the boundary of any shape; diameter is a line through the centre.
Circumference वृत्त की सीमा है; perimeter किसी भी आकृति की सीमा है; diameter केंद्र से गुज़रने वाली रेखा है।
- The perimeter of a square and the circumference of a circle are both boundaries.
circumference + in / measured in
It is measured in units of length such as cm or metres, not in square units.
इसे cm या metre जैसी लंबाई की इकाइयों में मापा जाता है, वर्ग इकाइयों में नहीं।
- The circumference is measured in metres, but the area is in square metres.
+Collocations 5
verb + circumference
measurecalculatefindwork outdouble
- Students calculated the circumference of the wheel.
adjective + circumference
totalapproximateinnerouterequal
- The outer circumference of the pipe is 30 cm.
circumference of + object
of a circleof the Earthof a treeof a coinof the pond
- The circumference of the Earth is about 40,000 km.
circumference + formula
2 pi rpi ddiameter multiplied by pi
- The circumference equals pi times the diameter.
preposition + circumference
along the circumferenceon the circumferenceround the circumference
- Points A and B lie on the circumference.
“More examples 5
- Radhika used a thread to measure the circumference of the football.
राधिका ने फ़ुटबॉल की परिधि मापने के लिए धागे का प्रयोग किया।
- The circumference of a circle is always more than three times its diameter.
वृत्त की परिधि हमेशा उसके व्यास के तीन गुना से अधिक होती है।
- Three friends could not reach round the circumference of the huge tree.
तीन दोस्त मिलकर भी विशाल पेड़ की परिधि को घेर नहीं सके।
- Points on the circumference are equally far from the centre.
परिधि पर स्थित बिंदु केंद्र से समान दूरी पर होते हैं।
- The runner ran along the circumference of the park.
धावक उद्यान की परिधि के साथ-साथ दौड़ा।
!Common mistakes 2
✗ The circumference of the square is 20 cm.
✓ The perimeter of the square is 20 cm.
Circumference is for a circle or curve; for a polygon use perimeter.
Circumference वृत्त या वक्र के लिए है; बहुभुज के लिए perimeter लिखें।
✗ She measured circumference of the pond.
✓ She measured the circumference of the pond.
Circumference of a particular object needs the article the.
किसी विशेष वस्तु की circumference से पहले article 'the' चाहिए।
◇Word family
AaSpelling
c·i·r·c·u·m·f·e·r·e·n·c·e
(not 'circumferance').
Spelling c-i-r-c-u-m-f-e-r-e-n-c-e है ('circumferance' गलत है)।
?Which word?
Do not confuse circumference (the distance around a circle) and perimeter (the distance around any flat shape).
Circumference (वृत्त के चारों ओर की दूरी) और perimeter (किसी भी समतल आकृति के चारों ओर की दूरी) में भ्रमित न हों।