1. reducing the number of tones or colors in a digital image to create a simplified, graphic effect with distinct blocks of color
Usage: present participle of posterize; common in digital photography and image editing

1. the process or result of reducing tones or colors in an image to create a poster-like appearance
Usage: gerund form; used as a noun in image editing contexts

Examples

• The photographer applied posterizing to the portrait to give it an artistic, graphic quality.
• Posterizing the landscape photo reduced it to bold blocks of blue and green.
• She experimented with posterizing in Photoshop to create a comic book effect.
• The filter's posterizing feature simplified the sunset into just a few vibrant colors.
• By posterizing the image, the designer achieved a modern, minimalist look.
• The app offers a posterizing tool that lets you control how many color levels remain.