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δέλτα
delta (the Greek letter Δ; also a river delta) /ˈðel.ta/
nounC1#3728 most common
Also: river delta, the letter D (as a name)
Example sentences
Το δέλτα είναι ένα ελληνικό γράμμα.
Delta is a Greek letter.
Γράψε το δέλτα στον πίνακα.
Write the delta on the board.
Ο Νείλος σχηματίζει ένα μεγάλο δέλτα.
The Nile forms a large delta.
Στη φυσική, το δέλτα (Δ) δηλώνει τη μεταβολή μιας ποσότητας.
In physics, delta (Δ) denotes the change in a quantity.
Το δέλτα του Έβρου φιλοξενεί εκατοντάδες είδη πουλιών κάθε χειμώνα.
The Evros delta hosts hundreds of bird species every winter.
Η καθίζηση του εδάφους στο δέλτα του ποταμού επιταχύνεται από την άνοδο της στάθμης της θάλασσας.
Land subsidence in the river delta is accelerated by rising sea levels.
Declension
| Case | Singular | Plural |
|---|---|---|
| Nominative | το δέλτα | τα δέλτα |
| Genitive | του δέλτα | των δέλτα |
| Accusative | το δέλτα | τα δέλτα |
| Vocative | δέλτα | δέλτα |
Word family
δελταϊκόςdeltaic, relating to a river delta
δελτοειδήςdeltoid, triangular in shape
δελτοειδής μυςdeltoid muscle (shoulder muscle), named for its triangular shape
Etymology
Δέλτα is the Greek name for the fourth letter of the alphabet, Δ. Greek borrowed both the letter and its name from the Phoenician letter daleth, whose shape and name meant door. The triangular shape of the capital letter later gave English and other languages the geographic term delta for a triangular deposit of silt at a river mouth, first applied by ancient Greek writers to the Nile.
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