epsilon
[ ep-suh-lon, -luh n or, esp. British, ep-sahy-luh n ]
/ ˈɛp səˌlɒn, -lən or, esp. British, ɛpˈsaɪ lən /
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.
Origin of epsilon
< Greek
è psīlón bare, simple
e (as opposed to diphthongal spellings which in later Gk represented the same sound)
Words nearby epsilon
epping,
epping forest,
epr,
eprom,
eps,
epsilon,
epsilon-delta,
epsilon-neighborhood,
epsom,
epsom salt,
epsom salts
Example sentences from the Web for epsilon
British Dictionary definitions for epsilon (1 of 2)
epsilon
/ (ˈɛpsɪˌlɒn, ɛpˈsaɪlən) /
noun
the fifth letter of the Greek alphabet (Ε, ε), a short vowel, transliterated as e
Word Origin for epsilon
Greek
e psilon, literally: simple
e
British Dictionary definitions for epsilon (2 of 2)
Epsilon
/ (ˈɛpsɪˌlɒn, ɛpˈsaɪlən) /
noun
(foll by the genitive case of a specified constellation)
the fifth brightest star in a constellation
Epsilon Aurigae
Medical definitions for epsilon
epsilon
[ ĕp′sə-lŏn′, -lən ]
n.
The fifth letter of the Greek alphabet.
The fifth in a series.
adj.
Of or relating to the fifth member of a particular ordered set.
Relating to or characterizing a polypeptide chain that is one of five types of heavy chains present in immunoglobins.