light second

laɪt ˈsɛkənd

Definition

Definition of light second - Reverso English Dictionary

Noun

astronomy

TECH.

unit of length light travels in one second

TECH.

The star is five light seconds away.
The planet is three light seconds from the moon.
A light second measures vast cosmic distances.

astronomical unit

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Expressions with light

green light

traffic signal allowing vehicles to go

The car moved when the green light appeared.

light skirt

skirt made of lightweight material

She wore a light skirt to stay cool in the summer heat.

light up

illuminate or bring light to something

The streetlights light up the entire neighborhood.

travel light

carry few belongings while traveling

She always travels light to avoid check-in fees..

blinded by the light

adj.

unable to see due to intense light

He was temporarily blinded by the light from the camera flash.

give a light

provide a flame to ignite something

Can you give a light to my cigarette?

Expressions with second

second honeymoon

second vacation taken by a married couple

They went on a second honeymoon to rekindle their romance.

second thought

reconsideration or revised opinion of a previous decision

After a second thought, he decided not to go.

hot second

very short period of time

I'll be back in a hot second.

second city

city ranking second in population or importance

Chicago is often called the second city of the United States.

hang on a second

intj.

ask someone to wait briefly before continuing

Hang on a second, I need to grab my phone.

just a second

short, unspecified period of time

I'll be with you in just a second.

any second now

adv.

happening very soon, almost immediately

The train will arrive any second now.

at the last second

adv.

just before time runs out

He submitted his assignment at the last second.

be having second thoughts

begin to doubt an earlier choice, plan or view

After sleeping on it, I was having second thoughts about moving.

have second thoughts

feel uncertain about a previous decision

She started to have second thoughts about the move.

Terms with light second included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.

speed of light

physics constant

rate at which light travels, about 299,792 km per second

View all translations of light second

✨Click below to see the appropriate translations facing each meaning.

French:seconde-lumière, ...
German:Lichtsekunde, ...
Italian:secondo di luce, ...
Spanish:unidad de luz, ...
Portuguese:segundo-luz, ...
Chinese:光秒, ...
Japanese:光秒, ...
Arabic:ثانِية ضَوْئِيَّة, ...
Hebrew:שְׁנָת אוֹר, ...
Russian:световая секунда, ...
Ukrainian:світлова секунда, ...
Hindi:प्रकाश सेकंड, ...
Bengali:আলোক সেকেন্ড, ...
Catalan:segon llum, ...
Czech:světelná sekunda, ...
Danish:lysekund, ...
Dutch:lichtseconde, ...
Greek:δευτερόλεπτο φωτός, ...
Hungarian:fénymásodperc, ...
Khmer:វិនាទីពន្លឺ, ...
Korean:광초, ...
Persian:ثانیه نوری, ...
Polish:sekunda świetlna, ...
Portuguese (BR):segundo-luz, ...
Romanian:secundă-lumină, ...
Swedish:ljussekund, ...
Thai:วินาทีแสง, ...
Turkish:ışık saniyesi, ...
Vietnamese:giây ánh sáng, ...

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