Sunglasses vs. Shades — What's the Difference?

Sunglasses or sun glasses (informally called shades or sunnies; more names below) are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can sometimes also function as a visual aid, as variously termed spectacles or glasses exist, featuring lenses that are colored, polarized or darkened.

Light diminished in intensity as a result of the interception of the rays; partial darkness.

A convex lens used to focus the sun's rays and produce heat, especially for ignition.

Cover or shelter provided by interception by an object of the sun or its rays

Sunglasses Eyeglasses with tinted or polarizing lenses to protect the eyes from the sun's glare.

The part of a picture or photograph depicting darkness or shadow.

Tinted glasses worn to protect the eyes from the sun.

A gradation of a color as it is mixed with black or is decreasingly illuminated

(colloquial) A person wearing sunglasses

A slight difference or variation; a nuance

Spectacles that are darkened or polarized to protect the eyes from the glare of the sun;

A small amount; a trace

Any of various devices used to reduce or screen light or heat

Shades Informal Sunglasses.

Dark shadows gathering at dusk

The abode of the dead; the underworld

A disembodied spirit; a ghost.

Shades A present reminder of a person or situation in the past

(Slang) Scornful criticism or contempt

To screen from light or heat

To obscure or darken

To represent degrees of shade or shadow in

To produce (gradations of light or color) in a drawing or picture

To change or vary by slight degrees

To make a slight reduction in

To pass from one quality, color, or thing to another by very slight changes or degrees.

Plural of shade

(slang) Sunglasses.

Spectacles that are darkened or polarized to protect the eyes from the glare of the sun;