fixative

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fix·a·tive / ˈfiksətiv/ • n. 1. a chemical substance used to preserve or stabilize biological material prior to microscopy or other examination: an alcoholic fixative ten double drops of fixative. ∎  a substance used to stabilize the volatile components of perfume. ∎  a liquid sprayed on to a pastel or charcoal drawing to fix colors or prevent smudging.2. a substance used to keep things in position or stick them together: the swift glues these thin twigs to a wall using its own saliva as a fixative.• adj. (of a substance) used to fix or stabilize something.

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