epsilon

American  

[ep-suh-lon, -luhn, ep-sahy-luhn] / ˈɛp səˌlɒn, -lən, ɛpˈsaɪ lən /

noun

1. the fifth letter of the Greek alphabet (E, ε).

2. the consonant sound represented by this letter.

3. Mathematics. an arbitrarily small quantity, used to indicate that a given quantity is small, or close to zero.

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Epsilon ¹ British  

/ ˈɛpsɪˌlɒn, ɛpˈsaɪlən /

noun

1. (foll by the genitive case of a specified constellation) the fifth brightest star in a constellation

   Epsilon Aurigae

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epsilon ² British  

/ ˈɛpsɪˌlɒn, ɛpˈsaɪlən /

noun

1. the fifth letter of the Greek alphabet (Ε, ε), a short vowel, transliterated as e

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Etymology

Origin of epsilon

First recorded in 1400–50; from Greek e psīlón “bare, simple e ” (as opposed to diphthongal spellings which in later Greek represented the same sound)

Example Sentences

A few others made the rogue’s gallery of variants: gamma, beta, epsilon.

From Washington Post

Another delta mutation — also found in kappa and epsilon — is called L452R.

From Salon

The statistical term for this dial is “epsilon,” and the bureau settled on an epsilon of 19.61, significantly higher than where the dial was set in earlier test versions that critics raised concerns about.

From Seattle Times

The second most frequently detected variant is epsilon, first identified in California; DOH documented 2,571 cases.

From Seattle Times

The statistical term for this dial is “epsilon,” and the bureau settled on an epsilon of 19.61, significantly higher than where the dial was set in earlier versions that critics raised concerns about.

From Seattle Times