fixative fixation • fixator · · · Info · Definitions · Characters · · fixative · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a compound (such as ethanol or formaldehyde) that fixes tissues and cells for microscopic study. · · Noun Definition 1 (noun) a varnish dissolved in alcohol and sprayed over pictures to prevent smudging. · · Noun Definition 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 t latin small letter t U+0074 v latin small letter v U+0076 x latin small letter x U+0078