diphenylamine
/daɪˌfɛnəlˈæmiːn/
noun
- A chemical compound used in making dyes, plastics, and as a stabilizer in some products.
- Some old photographic films contain diphenylamine as a preservative.
- The factory uses diphenylamine to help prevent rubber from breaking down over time.
- Scientists added diphenylamine to the mixture to test for the presence of nitrates.