1. A compound (such as ethanol or formaldehyde) that fixes tissues and cells for microscopic study
   "The pathologist used a fixative to preserve the tissue sample"
    
2. A varnish dissolved in alcohol and sprayed over pictures to prevent smudging
   "The artist applied fixative to protect her charcoal drawing"

Derived forms: fixatives

Type of: fixer, fixing agent, varnish

Encyclopedia: Fixative