first light
"First light" signifies the initial appearance of light in the morning and holds importance in both daily life and astronomical observations.
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Definition
B2Daily Life
(common, literary)The moment when light begins to appear in the sky before the sun rises.
Example
- We set off at first light to make the most of the day.
- The horizon glowed softly at first light, promising a clear day ahead.
C1Astronomy
(technical)The initial use of a telescope or other instrument to capture an image of a celestial object.
Example
- The observatory celebrated the first light of their new telescope with great excitement.
- Capturing first light is a significant milestone for any astronomical instrument.
Similar
Terms that have similar or relatively close meanings to "first light":
top lightnatural lightwhite lightsee the lightleading lightsea lightlight downrange lightdark lightblue lightray of lightgreen lightlight offyellow lightelectric lightsee the light of daysee daylightred lightguiding lightbeginning of daysun upbright lightsmorning starfirst nightbad light