infinitesimal
1 of 2noun/ˌɪnfɪnɪˈtɛsɪməl/
Forms:infinitesimals
1
an extremely small quantity or amount that is almost negligible
- The scientist measured an infinitesimal in the chemical reaction.
- Even an infinitesimal of this substance can cause a significant reaction.
- The error margin was reduced to an infinitesimal.
- He couldn’t see the infinitesimal with the naked eye.
- The mathematician calculated the infinitesimal to ensure accuracy.