asteroid
/ˈæstərɔɪd/noun
उच्चारण ऐस्टरॉइड
क्षुद्रग्रह
Core word
- 1
[C]
any one of the many small planets which go around the sun
क्षुद्रग्रह
- an asteroid belt
- An asteroid passed close to the Earth last night.
- Scientists tracked an asteroid heading towards the Earth.
+ 2 more examples
- The asteroid was too small to be seen without a telescope.
- An asteroid may have caused the dinosaurs to die out.
§Structures (grammar patterns) 5
asteroid (countable noun)
An asteroid is a small rocky body that orbits the Sun. It is countable.
'Asteroid' सूर्य की परिक्रमा करने वाला छोटा चट्टानी पिंड है। यह countable है।
- An asteroid passed close to the Earth.
- Thousands of asteroids lie between Mars and Jupiter.
asteroid + belt / impact / strike
Asteroid often combines with these nouns in science writing.
विज्ञान लेखन में 'asteroid' प्रायः इन noun के साथ जुड़ता है।
- The asteroid belt lies beyond Mars.
- A giant asteroid strike may have ended the age of dinosaurs.
asteroid vs meteor vs comet
An asteroid is a rocky body in space; a meteor is the light seen when a small piece burns in the air; a comet is mainly ice with a tail.
Asteroid अंतरिक्ष का चट्टानी पिंड है; meteor वह प्रकाश-रेखा है जो हवा में जलने पर दिखती है; comet मुख्यतः बर्फ का पिंड है जिसकी पूँछ होती है।
- Scientists track asteroids that may come near Earth.
asteroid + size and composition
Asteroids vary greatly in size. The largest are hundreds of kilometres wide, while the smallest are only a few metres. They are mostly rock, with some metal.
Asteroids के आकार में बहुत अंतर होता है। सबसे बड़े सैकड़ों किलोमीटर चौड़े होते हैं और सबसे छोटे केवल कुछ मीटर के। ये अधिकतर चट्टान के होते हैं, कुछ में धातु भी होती है।
- The largest asteroid is about 940 kilometres wide.
asteroid + adjective: asteroidal
The adjective is asteroidal, a rare technical word. Most writers use the noun as a modifier instead: asteroid belt, asteroid impact.
इसका adjective 'asteroidal' है, जो दुर्लभ तकनीकी शब्द है। अधिकतर लेखक noun को ही modifier बनाते हैं: asteroid belt, asteroid impact।
- The asteroid impact left a wide crater.
+Collocations 5
verb + asteroid
discovertrackdeflectorbitstudyhit
- Astronomers track every large asteroid.
adjective + asteroid
giantrockynear-Earthmassivemetallic
- A near-Earth asteroid was spotted last month.
asteroid + noun
beltimpactmissioncratercollision
- The asteroid mission collected rock samples.
asteroid + space-agency words
missionprobeorbitsample
- The probe brought back a sample from the asteroid.
asteroid + danger words
threatwarningcollision coursenear miss
- Astronomers issued a warning about the asteroid's path.
“More examples 6
- The first asteroid was discovered in 1801.
पहला asteroid 1801 में खोजा गया था।
- Radhika wrote a project on the asteroid belt.
राधिका ने asteroid belt पर एक प्रोजेक्ट लिखा।
- An asteroid hit the Earth millions of years ago.
लाखों वर्ष पहले एक asteroid पृथ्वी से टकराया था।
- Most asteroids are small and irregular in shape.
अधिकतर asteroids छोटे और बेढंगे आकार के होते हैं।
- Space agencies test ways to change an asteroid's path.
अंतरिक्ष एजेंसियाँ asteroid का मार्ग बदलने के तरीकों का परीक्षण करती हैं।
- Craters on the Moon were formed by asteroid impacts.
चंद्रमा के गड्ढे asteroid के टकराने से बने।
≠Thesaurus: which synonym when
These space objects are easy to mix up in science and general-knowledge questions.
विज्ञान और सामान्य ज्ञान के प्रश्नों में ये अंतरिक्ष-पिंड आसानी से आपस में उलझ जाते हैं।
A rocky body that circles the Sun, mostly in a belt.
सूर्य की परिक्रमा करने वाला चट्टानी पिंड, अधिकतर belt में।
- An asteroid is made mainly of rock and metal.
The streak of light seen when a small space rock burns in the air.
छोटे अंतरिक्ष-पत्थर के हवा में जलने पर दिखने वाली प्रकाश-रेखा।
- We saw a bright meteor last night.
An icy body that grows a glowing tail near the Sun.
बर्फीला पिंड जो सूर्य के पास आने पर चमकती पूँछ बना लेता है।
- Halley's comet returns every seventy-six years.
✓In the exam
General knowledge
Science: the asteroid belt lies between Mars and Jupiter.
विज्ञान में क्षुद्रग्रह पट्टी मंगल और बृहस्पति के बीच है।