Related Words

Hard Light: Direct, undiffused light: the result is the casting of harsh, distinct shadows.

Lighting Diffusion: The hardness or softness of a light source. Hard light casts a sharp, definite shadow.

Light-Tight: Term denoting a material or piece of equipment that is impervious to light.

Lightbox: Box of fluorescent tubes balanced for white light and covered with translucent glass or plastic. Used for viewing, registering or correcting film negatives and positives.

Lighten Up: Selling some part of a stock or bond position in a portfolio to realize capital gains or to losses or increase cash assets.

Lighter-Than-Air Craft (LTAC): Generally referring to powered blimps and dirigibles, but often also includes free balloons.

Light-Emitting Diode (LED): Abbreviation of light emitting diode, an electronic device that lights up when electricity is passed through it. LEDs are usually red. They are good for displaying images because they can be . . . View Full Definition

Light Waves: That part of the electromagnetic spectrum that contains visible light. The colors, from longest wave length to shortest, are red, orange, yellow, green, blue, indigo, and violet (ROY G. BIV).

Light Trap: System of entry to a darkroom which allows easy access, but prevents unwanted light from entering.

Light Trail: Image track recorded on photographic material when a point of light is shifted during exposure.