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## epsilon

1. The fifth letter of the Greek alphabet.

2. (From the Hungarian mathematician Paul Erdos) A very small, insignificant, or negligible quantity of something.

The use of epsilon is from the epsilon-delta method of proof in differential calculus.

Last updated: 2001-07-06

### Nearby terms:

EPROS ♦ EPS ♦ EPSILON ♦ **epsilon** ♦ epsilon squared ♦ EPSIMONE ♦ EPSS ♦ EqL

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