cylinder
/ˈsɪlɪndə(r)/noun
उच्चारण सिलिन्डर
बेलन; सिलेंडर
Core word
- 1
[C]
a solid or hollow figure with round ends and long straight sides; an object shaped like a cylinder, especially one used as a container
बेलन; सिलेंडर
- a gas cylinder
- A gas cylinder is delivered to our flat once every month.
- The volume of a cylinder is pi times the radius squared times the height.
+ 2 more examples
- The engine of the old scooter has a single cylinder.
- The tin was shaped like a cylinder.
§Structures (grammar patterns) 4
cylinder (shape) / cylinder of + gas
A cylinder is a solid or hollow shape with round ends; a gas cylinder is a metal container shaped like one.
Cylinder गोल सिरों वाली ठोस या खोखली आकृति है; gas cylinder इसी आकार का धातु का पात्र होता है।
- A tin can is a cylinder.
- We need a new cylinder of cooking gas.
cylinder of + volume formula (in maths)
In mathematics, the volume of a cylinder is found by multiplying the area of the circle by the height.
गणित में cylinder का आयतन वृत्त के क्षेत्रफल को ऊँचाई से गुणा करके निकाला जाता है।
- The volume of a cylinder of radius 7 cm and height 10 cm is 1,540 cubic centimetres.
four-cylinder / six-cylinder + engine
In motor engines, a number plus a hyphen and cylinder tells how many cylinders it has.
वाहन के engine में संख्या के साथ hyphen और cylinder बताता है कि उसमें कितने cylinders हैं।
- His motorbike has a single-cylinder engine.
cylinder + surface area / height / radius
In geometry the key measurements of a cylinder are its radius, height and curved surface area.
ज्यामिति में cylinder के मुख्य माप उसकी त्रिज्या, ऊँचाई और वक्र पृष्ठीय क्षेत्रफल हैं।
- Find the curved surface area of a cylinder of height 14 cm and radius 3.5 cm.
+Collocations 4
adjective + cylinder
hollowsolidmetalemptyfull
- The empty cylinder was replaced the next morning.
verb + cylinder
fillreplacebookdeliverrefill
- You can book a cylinder through an app.
cylinder + noun
gasheadvolumeblockvalve
- The cylinder valve was closed after cooking.
type of cylinder
gasoxygenLPGmeasuringhydraulic
- Hospitals needed more oxygen cylinders.
“More examples 6
- The delivery man carried the heavy cylinder up three floors.
डिलीवरी करने वाला व्यक्ति भारी cylinder को तीन मंज़िल ऊपर ले गया।
- Radhika used a measuring cylinder in the chemistry laboratory.
राधिका ने रसायन प्रयोगशाला में measuring cylinder का उपयोग किया।
- A solid cylinder has two flat circular faces and one curved surface.
ठोस cylinder के दो समतल वृत्ताकार फलक और एक वक्र पृष्ठ होता है।
- The gas cylinder was checked for leaks before use.
प्रयोग से पहले gas cylinder की रिसाव के लिए जाँच की गई।
- A drum is often shaped like a cylinder.
ढोल प्रायः cylinder के आकार का होता है।
- The shopkeeper showed us a steel cylinder meant for storing drinking water.
दुकानदार ने हमें पीने का पानी रखने के लिए बना एक steel का cylinder दिखाया।
!Common mistakes 2
✗ The cylinder was filled by a gas.
✓ The cylinder was filled with gas.
Fill takes with for the contents, not by.
भरी जाने वाली सामग्री के लिए 'fill' के साथ 'with' आता है, 'by' नहीं।
✗ The volume of cylinder is large.
✓ The volume of the cylinder is large.
A singular countable noun needs an article; here the cylinder is specific.
Singular countable noun के साथ article ज़रूरी है; यहाँ विशिष्ट cylinder की बात है, इसलिए 'the' चाहिए।
◇Word family
✓In the exam
General knowledge
Maths: volume of a cylinder = πr²h.
गणित में बेलन का आयतन = πr²h।