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pulsar

Upper-Intermediate (B2)

IPA: /ˈpʌl.sɑːr/

KK: /ˈpʌl.sɑr/

noun
Definition

A type of star that sends out regular bursts of radio waves and other forms of energy, often thought to be a rapidly spinning neutron star.


Example

Astronomers discovered a new pulsar that emits signals every few milliseconds.


Conversation
Sloth A
Have you heard about that new documentary on space?
Sloth B
Yeah, I saw the trailer! It mentioned a pulsar that emits radio waves.
Sloth A
It's fascinating how they can detect something so far away, like a pulsar.
Sloth B
I know, right? The universe is full of amazing mysteries!

Synonyms & Antonyms
Synonyms
star
source
beacon
Antonyms
blackhole
void
emptiness
Root Explanation

Pulsar is derived from the Latin root "pulsare" (meaning to pulse or beat). The term refers to a celestial object that emits regular pulses of radio waves, resembling a rhythmic beating.

Memory Tip

Think of the Latin word for 'pulse' — that's why a pulsar is a star that 'beats' or emits regular pulses.

Visually Confused Words
pulwar
paular
usar
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