Noun | 1. | ![]() fixing agent, fixer - a chemical compound that sets or fixes something (as a dye or a photographic image) |
2. | ![]() autoinjector - a hypodermic syringe to use in injecting yourself with a liquid; "United States troops now carry atropine and autoinjectors in their first-aid kits to use in case of organophosphate nerve agent poisoning" hypodermic needle - a hollow needle syringe - a medical instrument used to inject or withdraw fluids |