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fixative |
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fixative [ˈfɪksətɪv] adj serving or tending to fix n
1. (Fine Arts & Visual Arts / Art Terms) a fluid usually consisting of a transparent resin, such as shellac, dissolved in alcohol and sprayed over drawings to prevent smudging 2. (Life Sciences & Allied Applications / Biology) Cytology a fluid, such as formaldehyde or ethanol, that fixes tissues and cells for microscopic study 3. (Chemistry) a substance added to a liquid, such as a perfume, to make it less volatile ThesaurusLegend: Synonyms Related Words Antonyms
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| Around 1920, botanists started to embed plant samples in wax, first treating them with alcohol fixatives, which dissolved plant oils. Removing the fixative coatings--many of which are designed to peel off in large, easily disposable pieces--will clean away radioactive particles that had adhered. Samples of the fixative were analyzed to check for Hg content. |
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