delta
|del/ta|
/ˈdɛltə/
triangular landform or change
Etymology
'delta' originates from Greek, specifically the letter 'Δ', where 'delta' meant 'fourth'.
'delta' changed from the Greek letter 'Δ' and eventually became the modern English word 'delta'.
Initially, it meant 'fourth letter of the Greek alphabet', but over time it evolved into its current meanings related to landforms and changes in variables.
Meanings by Part of Speech
Noun 1
a landform at the mouth of a river where it splits into several outlets, often forming a triangular shape.
The Nile Delta is one of the most famous deltas in the world.
Synonyms
Noun 2
the fourth letter of the Greek alphabet (Δ, δ).
In mathematics, delta is often used to represent change.
Noun 3
a difference or change in a particular variable, often used in mathematics and science.
The delta in temperature was significant over the past week.
Synonyms
Idioms
Last updated: 2025/06/10 17:02