sun
1 the sun in the sky
2 the heat of the sun
3 the light of the sun
4 using the energy of the sun
see also WEATHER, SKY, STAR/PLANET/MOON
1 the sun in the sky
- the ball of light which we see in the sky during the day and which gives the earth light and heat: the sun
The weather was terrible - we hardly saw the sun all week.
- in the morning the sun rises*, comes* up; when it has risen it is up
As soon as the sun was up the whole village came to life.
- in the evening the sun sets*, goes* down
The sun rises in the east and sets in the west.
- the time when the sun rises: dawn (noun C/U), sunrise (noun C/U)
before sunrise ◎ at dawn
- the time when the sun sets: sunset (AmE sundown)(noun C/U)
At sunset, they made camp.
- when the moon is between the earth and the sun so that it blocks the light, there is an eclipse
a total/partial eclipse of the sun
2 the heat of the sun
- the light and heat of the sun: the sun, sunshine (noun U)
I'm exhausted - I've been working out in the sun all day. ◎ The thing I miss most about Spain is the sunshine.
- when the sun can be seen in the sky, it is out; when it gives out light, it shines*, the weather is sunny, bright
The sun was shining brightly. ◎ It was a lovely sunny day.
- when the sun appears from behind the clouds, it comes* out, breaks* through
- when it disappears behind the clouds, it goes* in
The sun managed to break through for a few minutes, but now it's gone in again.
- to lie in the sun: sunbathe, sun yourself
- the brown colour which people get on their skin when they sunbathe: tan, suntan
- an illness which people get when they stay in the sun too long: sunstroke (noun U)
※ the effect of the sun on your skin SKIN
3 the light of the sun
- the light that there is during the day: daylight (noun U)
I hope there'll still be some daylight left when we get there.
- the light seen when the sun is shining: sunlight (noun U); adjective: sunlit
The castle looks beautiful in the evening sunlight. ◎ a sunlit street
- having a lot of light from the sun: sunny
a sunny garden/room/position
- a line of sunlight shining down (for example into a room): ray (of light), beam (of light), sunbeam
They stayed outside, enjoying the last rays of the sun.
- the half-light in the evening around sunset: dusk (noun U), twilight (noun U)
- the glasses that people wear to protect their eyes from the sun: sunglasses (noun plural), dark glasses (noun plural), (informal, especially AmE) shades (noun plural)
- an area which is not lit by direct sunlight, and which is darker and cooler than areas in the sun: the shade (noun U); adjective: shady
You can go and play; I'll wait here in the shade. ◎ This looks like a nice shady place to sit.
- a dark shape caused by sth blocking the sun and making an area of shade: shadow
Look at the shadows of the trees on the grass.
4 using the energy of the sun
- something which uses the sun or is connected with the sun is solar
solar energy/power
- a machine which is operated using solar power is solar-powered
- a piece of equipment, for example on the roof of a house, which is used to collect solar power: solar panel
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