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epsilon
[ ep-suh-lon, -luhnor, especially British, ep-sahy-luhn ]
noun
- the fifth letter of the Greek alphabet (E, ε).
- the consonant sound represented by this letter.
- Mathematics. an arbitrarily small quantity, used to indicate that a given quantity is small, or close to zero.
Epsilon
1/ ˈɛpsɪˌlɒn; ɛpˈsaɪlən /
noun
- foll by the genitive case of a specified constellation the fifth brightest star in a constellation
Epsilon Aurigae
epsilon
2/ ˈɛpsɪˌlɒn; ɛpˈsaɪlən /
noun
- the fifth letter of the Greek alphabet (Ε, ε), a short vowel, transliterated as e
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Word History and Origins
Origin of epsilon1
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)
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Word History and Origins
Origin of epsilon1
Greek e psilon, literally: simple e
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Example Sentences
Let the ( ¯ ) be used to distinguish η from ε, and ω from ο, and in no other case.
From Project Gutenberg
The middle star of the belt (ε) has a distant blue companion.
From Project Gutenberg
Let our observer now direct his telescope to the star ε Lyræ.
From Project Gutenberg
Let ε be the length (measured on the circumference of radius 1) of each red and black subdivision.
From Project Gutenberg
We can, as for the cathode rays, measure the two deviations and thence deduce the velocity and the ratio ε.
From Project Gutenberg
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