epsilon
/ˈɛpsɪlɑn/
noun
- The fifth letter of the Greek alphabet (Ε, ε).
- The Greek letter epsilon looks like a rounded E.
- The symbol epsilon is often used in physics equations.
- In math class, we used epsilon to represent a very small number.
- A very small amount or degree; a tiny difference.
- He was off by an epsilon in his calculation, but it still mattered.
- There is an epsilon of truth in that rumor.
- The two measurements differ by only an epsilon.