insulator
/ˈɪnsjuleɪtə(r)/noun
उच्चारण इन्स्युलेटर
कुचालक, विद्युतरोधी, ऊष्मारोधी, इंसुलेटर
Core word
- 1
[C]
a material or device that does not allow heat, electricity or sound to pass through it easily
कुचालक, विद्युतरोधी, ऊष्मारोधी, इंसुलेटर
- Rubber and plastic are good insulators of electricity.
- Wool is an excellent insulator, keeping the body warm.
- Glass is a good insulator of electricity.
+ 3 more examples
- Air trapped in feathers makes them an excellent insulator.
- Plastic handles act as insulators for hot pans.
- Wood is a poor conductor and a good insulator.
Opposite conductor
§Structures (grammar patterns) 5
insulator (countable)
It is a countable noun: one insulator, many insulators.
यह countable noun है: one insulator, many insulators।
- Glass is a good insulator of electricity.
- Plastic and rubber are insulators.
insulator + of + heat / electricity / sound
Use of to name what the material blocks.
सामग्री जिसे रोकती है उसका नाम बताने के लिए 'of' आता है।
- Wood is a poor conductor and a good insulator of heat.
good / poor + insulator
Adjectives show how well a material blocks the flow; it is the opposite of conductor.
Adjectives बताते हैं कि सामग्री प्रवाह को कितना रोकती है; यह conductor का विलोम है।
- Air trapped in wool makes it an excellent insulator.
insulator vs conductor
A conductor lets heat or electricity pass easily; an insulator does not.
Conductor ताप या बिजली को आसानी से गुज़रने देता है; insulator नहीं गुज़रने देता।
- Copper is a conductor, but rubber is an insulator.
insulator + noun use (physics)
In science answers, name the material and then state that it is an insulator because it has no free electrons.
विज्ञान के उत्तरों में सामग्री का नाम लिखकर बताया जाता है कि वह insulator है क्योंकि उसमें मुक्त इलेक्ट्रॉन नहीं होते।
- Plastic is an insulator because it has no free electrons to carry current.
+Collocations 4
adjective + insulator
goodpoorexcellentnaturaleffective
- Dry air is a natural insulator.
type + insulator
electricalthermalheatsound
- A thermal insulator keeps the ice cream cold.
insulator + material
rubberglassplasticporcelainwood
- Porcelain insulators hold the power lines to the poles.
act as an insulator
act asserve aswork as
- A layer of fat acts as an insulator for whales.
“More examples 6
- Radhika learnt in physics that rubber is a good insulator.
राधिका ने physics में सीखा कि रबर एक अच्छा insulator है।
- Electricians wear rubber gloves because rubber is an insulator.
बिजली मिस्त्री रबर के दस्ताने पहनते हैं क्योंकि रबर insulator है।
- Snow is a surprisingly good insulator for the soil beneath.
बर्फ़ नीचे की मिट्टी के लिए आश्चर्यजनक रूप से अच्छी insulator है।
- Ceramic insulators are fixed on high-tension towers.
उच्च-वोल्टेज के खंभों पर चीनी मिट्टी के insulators लगाए जाते हैं।
- Thermocol is used as an insulator in packing boxes.
पैकिंग के डिब्बों में थर्मोकोल का उपयोग insulator के रूप में होता है।
- Dry wood is a poor conductor, so it is used as an insulator on handles.
सूखी लकड़ी कुचालक है, इसलिए हैंडल पर insulator के रूप में काम आती है।
!Common mistakes 1
✗ Glass is a good insulator for electricity.
✓ Glass is a good insulator of electricity.
The standard phrase is insulator of electricity.
मानक प्रयोग 'insulator of electricity' है।
◇Word family
≈Synonyms and antonyms
Antonyms
✓In the exam
General knowledge
Metals such as copper and silver are good conductors, while rubber, glass, wood and dry air are insulators.
Copper और silver जैसी धातुएँ अच्छे conductors हैं, जबकि rubber, glass, wood और सूखी हवा insulators हैं।