1. a substance used to glaze or stiffen materials such as textiles or paper
2. the process of determining or adjusting the correct size of something

1. present participle of size: determining the dimensions or proper fit of something
2. present participle of size: applying sizing to materials
Usage: technical

Examples

• The fabric required sizing before it could be printed.
• She applied sizing to the canvas before painting.
• The sizing of the new uniforms took several hours.
• He is sizing the pipes for the plumbing project.
• The tailor is sizing the dress for the customer.
• Proper sizing ensures the best fit for athletic shoes.
• The paper mill uses sizing to improve print quality.