1. the act or time of closing and opening the eyelids; a blink
2. a very brief moment; an instant
Usage: often used in the phrase 'in an eyeblink'

Examples

• The camera captured the moment in an eyeblink.
• She missed the entire scene in the span of an eyeblink.
• The magician made the coin disappear in an eyeblink.
• Time seemed to pass in an eyeblink during the exciting game.
• He blinked, and in that eyeblink, everything had changed.