radar
/ˈreɪdɑː(r)/noun
उच्चारण रेडार
रडार
Core wordPYP · asked 1 time
Asked in previous papers
as idiom
- 1
[U]
a system that uses radio waves to find the position and movement of objects, for example planes and ships
रडार
- on the radar
- Ships rely on radar to detect other vessels in dense fog.
- The pilot saw a storm cloud on the radar screen.
+ 2 more examples
- Police use radar to measure the speed of passing cars.
- Weather radar helped forecasters track the cyclone.
Synonyms detection system tracking
§Structures (grammar patterns) 4
radar (noun) — uncountable / countable
Radar is the system that finds objects with radio waves; in general use it is uncountable, but a radar can mean a piece of equipment.
'Radar' रेडियो तरंगों से वस्तुओं का पता लगाने वाली प्रणाली है; सामान्य प्रयोग में यह uncountable है, पर 'a radar' उपकरण के लिए भी आता है।
- The plane was picked up on radar.
- A new radar was installed at the airport.
on / by radar
Use on radar for something visible on the screen, and by radar for the method of detection.
स्क्रीन पर दिखने वाली चीज़ के लिए on radar और पता लगाने की विधि के लिए by radar आता है।
- The storm was tracked by radar.
- A ship appeared on radar.
radar + noun
Radar often modifies a noun: radar screen, radar station, radar gun.
'Radar' प्रायः noun को modify करता है: radar screen, radar station, radar gun।
- The police used a radar gun to measure the speed.
under the radar / on sb's radar (figurative)
Under the radar means not noticed; on someone's radar means something they are watching or aware of.
'Under the radar' का अर्थ ध्यान में न आना है; 'on someone's radar' का अर्थ उसकी निगरानी या जानकारी में होना है।
- The small start-up stayed under the radar for years.
+Collocations 4
radar + noun
screenstationsystemimagesignal
- The radar system warned of an approaching aircraft.
verb + radar
detecttrackusepick upshow
- The radar picked up the storm early.
type of radar
weathernavalair-trafficspeedmilitary
- The weather radar showed heavy cloud over Odisha.
preposition + radar
onbyunderoffbeyond
- The plane dropped off the radar.
“More examples 5
- The Doppler radar showed the cyclone moving towards the coast.
डॉप्लर रडार ने चक्रवात को तट की ओर बढ़ते दिखाया।
- Radhika learned in physics how radar uses radio waves.
राधिका ने भौतिकी में सीखा कि रडार रेडियो तरंगों का उपयोग कैसे करता है।
- The pilot lost contact and disappeared from the radar.
पायलट का संपर्क टूट गया और वह रडार से ग़ायब हो गया।
- Traffic police use a radar gun to catch speeding vehicles.
यातायात पुलिस तेज़ रफ़्तार गाड़ियों को पकड़ने के लिए रडार गन का प्रयोग करती है।
- Radar is essential for air-traffic control.
हवाई यातायात नियंत्रण के लिए रडार आवश्यक है।
≠Thesaurus: which synonym when
Radar and sonar both detect objects, but they use different waves.
Radar और sonar दोनों वस्तुओं का पता लगाते हैं, पर अलग तरंगों का उपयोग करते हैं।
Uses radio waves, mainly in the air.
रेडियो तरंगों का उपयोग करता है, मुख्यतः हवा में।
- Radar tracks planes.
Uses sound waves, mainly under water.
ध्वनि तरंगों का उपयोग करता है, मुख्यतः पानी के नीचे।
- Sonar finds submarines.
Uses laser light to measure distance.
दूरी मापने के लिए लेज़र प्रकाश का उपयोग करता है।
- Lidar maps the ground.
¶Idioms 1
fall/drop off the radar
to stop being noticed, discussed or paid attention to
नज़रों से ओझल हो जाना, चर्चा से बाहर हो जाना
- After one hit film, the actor fell off the radar.
- The issue has dropped off the radar since the elections.
≈Synonyms and antonyms
Synonyms
detection system tracking
⌂Word origin and word building
Word origin: radar is an acronym of Radio Detection and Ranging; it is also a palindrome; idiom: under the radar (not noticed).
शब्द-उत्पत्ति में radar, Radio Detection and Ranging का संक्षिप्त रूप है; यह palindrome भी है; idiom 'under the radar' (बिना ध्यान में आए)।