fixative
Speech parts
1. fixative - Noun
2. fixative - Adjective
Meaning
That which serves to set or fix colors or drawings, as a mordant.
Source: Webster's dictionarySynonyms
Antonyms
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Examples
You can't name the inventor of the camera. The 19th-century invention was chemical: the fixative.
Abrasive supports avoid or minimize the need to apply further fixative in this way.
A common example is mercury pigment left behind after using Zenker's fixative to fix a section.
A pastel fixative is an aerosol varnish which can be used to help stabilize the small charcoal or pastel particles on a painting or drawing.
For these reasons, some pastelists avoid the use of a fixative except in cases where the pastel has been overworked so much that the surface will no longer hold any more pastel.
Finished drawings made with soft pastels require protecting, either framing under glass or spraying with a fixative to prevent smudging; hairspray also works, although caution should be taken, as fixatives may affect the color or texture of the drawing.