Knockout

Table of contents

1 Noun 2 Adjective 3 Related terms

Noun

1. the act of making someone unconscious.''

   The boxer scored a knockout on his opponent.

2. something wildly popular, entertaining, or funny

   If you've ever had a sack race, you know it's a real knockout for kids and adults alike.

3. a partially punched opening meant for optional later removal

   They left a knockout in the panel for running extra wires someday.

4. The deactivation of a particular gene
5. a printing term for when a foreground color causes a background color not to print