光子
photon; light; glory
Meanings
5 senses · 12 examplesnoun
photon
technicalA fundamental particle of light in physics; carries electromagnetic force; has zero rest mass.
A photon is the smallest unit of light energy.
Each photon possesses a certain amount of energy.
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The energy of a photon is inversely proportional to the wavelength of light.
noun
light; brightness
The natural agent that stimulates sight and makes things visible.
The sunlight is very dazzling.
There is ample light in the room.
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This substance glows in the dark.
noun
glory; honor
formalUsed to signify honor, distinction, or splendid achievement.
He won glory for his motherland.
This is an honor for our whole family.
adjective
bare; naked; used up
Describes a surface with nothing covering it, or resources that are completely exhausted.
He spent all his money.
The child is running barefoot on the beach.
adverb
only; merely; solely
informalUsed for emphasis to mean 'nothing but', 'only', often in spoken language.
It's no good to just talk and not act.
There are only the two of us here.