dyefixative
nounUK /ˈdaɪˌfɪksətɪv/
US /ˈdaɪˌfɪksətɪv/
A special liquid that helps color stay on cloth and not wash out.
The dyer added a dyefixative to the bath so the red fabric would keep its bright color after washing.
RELATED WORDS
OTHER MEANINGS
2. A chemical used in textile printing to bind pigments to fibers.
Pigment printing often relies on a dyefixative to lock the design onto the fabric.
3. A substance added to ink to prevent smudging or fading.
The ink manufacturer included a dyefixative to keep printed labels from fading in sunlight.
4. A treatment applied to leather to set its color.
After dyeing the leather, the craftsman sprayed on a dyefixative to stop the color from rubbing off.