1. making something opaque or blocking light from passing through
Usage: present participle of opaque

1. a substance used to block out areas on photographic negatives or artwork
Usage: photography; graphic arts

Examples

• The artist is opaquing the background to create contrast.
• She spent hours opaquing unwanted details from the photograph.
• The opaquing solution dried quickly on the negative.
• He applied opaquing fluid to mask certain areas.
• The photographer used opaquing techniques to enhance the image.
• Opaquing requires steady hands and precision.
• The opaquing process improved the final print quality.