first light
Americannoun
noun
Etymology
Origin of first light
First recorded in 1945–50
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The first light able to travel freely from that moment on is what we now observe as the cosmic microwave background.
From Science Daily ● Oct. 4, 2026
"Work started early in the morning because the planes took off at first light... and operations usually wrapped up at dusk, making for long, intense days," he said.
From Barron's ● Oct. 1, 2026
Investor documents reviewed by The Wall Street Journal said the goal is for the plane to be the first light jet to focus on artificial-intelligence flight.
From The Wall Street Journal ● Mar. 18, 2026
The Coast Guard Cutter Sea Otter crew will remain on scene overnight to continue the search, and helicopter crews were set to rejoin the effort at first light, he said.
From Los Angeles Times ● Jun. 9, 2025
The Qur’an asked Muslims to worship five times daily: once between first light and dawn; again after midday; at mid-afternoon; at sunset; and lastly an hour and a half after sunset.
From "Zeitoun" by Dave Eggers
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