Infrared and Unseeable

Infrared adjective - Having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end.

Unseeable and infrared are semantically related. In some cases you can use "Unseeable" instead an adjective "Infrared".

Unseeable adjective - Impossible or nearly impossible to see; imperceptible by the eye.

Infrared and unseeable are semantically related. Sometimes you can use "Infrared" instead an adjective "Unseeable".

Nearby Words: unseen, unseeing