Is it der, die oder das Delfin?
The correct article in German of Delfin is der. So it is der Delfin! (nominative case)
The word Delfin is masculine, therefore the correct article is der.
Finding the right gender of a noun
German articles are used similarly to the English articles,a and the. However, they are declined differently (change) according to the number, gender and case of their nouns.
In the German language, the gender and therefore article is fixed for each noun.
The most difficult part of learning the German language is the articles (der, die, das) or rather the gender of each noun. The gender of each noun in German has no simple rule. In fact, it can even seem illogical. For example das Mädchen, a young girl is neutral while der Junge, a young boy is male.
It is a good idea to learn the correct article for each new word together - even if it means a lot of work. For example learning "der Hund" (the dog) rather than just Hund by itself. Fortunately, there are some rules about gender in German that make things a little easier. It might be even nicer if these rules didn't have exceptions - but you can't have everything! The best way to learn them is with the App - Der-Die-Das Train! (available for iOS and Android)
German nouns belong either to the gender masculine (male, standard gender) with the definite article der, to the feminine (feminine) with the definite article die, or to the neuter (neuter) with the definite article das.
for masculine: points of the compass, weather (Osten, Monsun, Sturm; however it is: das Gewitter), liquor/spirits (Wodka, Wein, Kognak), minerals, rocks (Marmor, Quarz, Granit, Diamant);
for feminine: ships and airplanes (die Deutschland, die Boeing; however it is: der Airbus), cigarette brands (Camel, Marlboro), many tree and plant species (Eiche, Pappel, Kiefer; aber: der Flieder), numbers (Eins, Million; however it is: das Dutzend), most inland rivers (Elbe, Oder, Donau; aber: der Rhein);
for neutrals: cafes, hotels, cinemas (das Mariott, das Cinemaxx), chemical elements (Helium, Arsen; however it is: der Schwefel, masculine elements have the suffix -stoff), letters, notes, languages and colors (das Orange, das A, das Englische), certain brand names for detergents and cleaning products (Ariel, Persil), continents, countries (die artikellosen: (das alte) Europa; however exceptions include: der Libanon, die Schweiz …).
German declension of Delfin?
How does the declension of Delfin work in the nominative, accusative, dative and genitive cases? Here you can find all forms in the singular as well as in the plural:
|Nominative||der Delfin||die Delfine|
|Genitive||des Delfins||der Delfine|
|Dative||dem Delfin||den Delfinen|
|Akkusative||den Delfin||die Delfine|
What is the meaning of Delfin in German?
Delfin has various definitions in German:
 Zoology: To order the whales belonging mammal that lives in the water Zoologie: zur Ordnung der Wale gehörendes Säugetier, das im Wasser lebt
 Swimming: a swimming style Schwimmen: ein Schwimmstil
 Astronomy: Star picture near the sky desk (Latin: Delphinus) Astronomie: Sternbild in der Nähe des Himmelsäquators (lateinisch: Delphinus)
How to use Delfin in a sentence?
Example sentences in German using Delfin with translations in English.
 Delfine lassen sich gut dressieren. Dolphins can be well dressed
 „Orcas gehören bekanntlich zur Familie der Delfine, sie verfügen über einen gewaltigen Appetit auf frische Heringe und machen vor den Lofoten Winterpause.“ "Orcas is known to belong to the family of dolphins, they have a huge appetite for fresh herring and make in front of the Lofoten Winterpause." 
 Er gewann im Delfin. He won in the dolphin
 Trotz aller Bemühungen kann ich das Sternbild Delfin nicht entdecken. Despite all efforts, I can not discover the constellation of dolphin
How do you pronounce Delfin?
Pictures or photos of Delfin
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