In English, 'light' is used either as a noun meaning electromagnetic radiation
in the range of wavelengths to which the eye responds, or as an adjective
to describe a physical or mental burden that is relatively easy to bear.
In slang, "light" can mean to make something easier or less serious, or to reduce the intensity of a situation. It can also refer to someone who is not very serious or who lacks depth or substance.
"Light in the shorts" is a colloquial term that refers to someone being quick or agile in their movements. It implies that the person is nimble and can move swiftly.
The term for producing light without heat is luminescence.
The term used to refer to a quantum of light is a photon.
The light which enters is called the incident ray and the reflected light is called the reflected ray.
Same as "Light in the loafers"
light and shadow
Light
to light up...
A light that is caused by the sun
It means changing colour in resonse to light.
The term airy means light weight, ventilated, or even well lit. Other times the term can mean someone who is carefree.
Cheese made with skim or lowfat milk.
The term "light in the britches" is a metaphorical expression meaning someone who is lacking in intelligence or common sense. It suggests that the person is not very bright or clever.
"She who belongs to the light". By analogy, a "person of light" was understood as a "dazzling" one, and was the usual term for a "goddess".
It means how much light gets through, as opposed to being absorbed.
Photophobia. This term sounds like fear of light, but actually has come to mean sensitivity to light (often occurring among migraine suffers, for instance).Photosensitivity