| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |
| given to using long words. |
| Main Entry: | supererogatory1 |
| Part of Speech: | adj |
| Definition: | going beyond what is required; superfluous |
| Etymology: | Latin super- + erogare 'to pay out' |
| Main Entry: | supererogatory2 |
| Part of Speech: | adj |
| Definition: | unnecessary |
| Etymology: | Latin super- + erogare 'to pay out' |