Definitions
the 5th letter of the Greek alphabet
Word origin
From Ancient Greek ἒ ψιλόν (è psilón, “simple Ε”).
Used in a sentence
“Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon.”
“All right, okay. My interest is epsilon.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Greek fifth”7 letters
02“Greek vowel letter”7 letters
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