undark Definition
a type of luminous paint containing a radioactive substance, formerly used on watches and other instruments for night-time viewing.
Using undark: Examples
Take a moment to familiarize yourself with how "undark" can be used in various situations through the following examples!
Example
The undark on the watch face made it easy to read in the dark.
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Summary: undark in Brief
'Undark' [ˌənˈdärk] is a type of luminous paint that contains a radioactive substance. It was previously used on watches and other instruments for night-time viewing. An example sentence is 'The undark on the watch face made it easy to read in the dark.'
