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light bulb luminaire light source
مصباح كهربائي مصدر ضوء مصباح
bombilla luminar fuente de luz
لامپ چراغ منبع نور
ampoule luminaire source de lumière
बल्ब प्रकाश स्रोत दीपक
lampadina lampada sorgente luminosa
電球 照明器具 光源
żarówka oprawa oświetleniowa źródło światła
lâmpada iluminação fonte de luz
bec corp de iluminat sursă de lumină
лампочка светильник источник света
ampul aydınlatma cihazı ışık kaynağı
лампочка світильник джерело світла
灯泡 灯具 光源

das  Leuchtmittel
B2
Estimated CEFR level.
/ˈlɔʏçtmɪtl/

💡 What exactly is a Leuchtmittel?

Das Leuchtmittel (noun, neuter) refers to a technical component designed to produce light when supplied with electrical energy. It's the part of a lamp or light fixture that actually emits light.

It serves as an umbrella term for various types of light sources, such as:

  • Glühbirnen (incandescent bulbs - outdated, but often still used synonymously)
  • Halogenlampen (halogen lamps)
  • Energiesparlampen (energy-saving lamps)
  • LED-Lampen (LED lamps)

⚠️ Important: 'Leuchtmittel' is not the Lampe (the entire fixture), but only the light-emitting insert.

🧐 Grammar: Declension of "das Leuchtmittel"

The word "Leuchtmittel" is a neuter noun. Here are the declension tables:

Singular

Declension of 'das Leuchtmittel' (Singular)
CaseArticleNoun
NominativedasLeuchtmittel
GenitivedesLeuchtmittels
DativedemLeuchtmittel
AccusativedasLeuchtmittel

Plural

Declension of 'die Leuchtmittel' (Plural)
CaseArticleNoun
NominativedieLeuchtmittel
GenitivederLeuchtmittel
DativedenLeuchtmitteln
AccusativedieLeuchtmittel

📝 Example Sentences

  1. Ich muss ein neues Leuchtmittel für die Deckenlampe kaufen.
    (I need to buy a new light source/bulb for the ceiling lamp.)
  2. Die LED-Leuchtmittel sind sehr energieeffizient.
    (The LED light sources/bulbs are very energy-efficient.)
  3. Kannst du bitte das defekte Leuchtmittel austauschen?
    (Can you please replace the broken light source/bulb?)
  4. Beim Kauf von Leuchtmitteln achte ich auf die Lichtfarbe und Helligkeit.
    (When buying light sources/bulbs, I pay attention to the light color and brightness.)

🔧 Everyday Usage

The term "das Leuchtmittel" is mainly used in technical or everyday contexts when talking about replacing or buying 'bulbs' for lamps.

  • Context: Household, DIY store (Baumarkt), electronics store (Elektrogeschäft), technical descriptions.
  • Typical Verbs: austauschen (to replace), wechseln (to change), kaufen (to buy), einsetzen (to insert), benötigen (to need), funktionieren (to function/work).
  • Distinction from other words:
    • Lampe: Often refers to the entire light fixture (Leuchte) including the base, shade, and bulb.
    • Glühbirne: Specifically an incandescent light bulb (with a filament), but colloquially often used synonymously with Leuchtmittel, even if technically incorrect (e.g., for LEDs).
    • Lichtquelle (light source): A more general, physical term for anything emitting light (including the sun, a candle).

One is more likely to say 'Leuchtmittel wechseln' (change the bulb) than 'Lichtquelle wechseln' when referring to a household lamp.

🧠 Mnemonics

Article 'das': Think of "das Mittel" (the means, the medium). A Leuchtmittel is a means (Mittel) to create light. Many technical means or tools in German are neuter, like 'das Werkzeug' (the tool), 'das Gerät' (the device), 'das Mittel'.

Meaning: Break down the word: Leucht (from leuchten - to shine/light up) + Mittel (means). It's simply the means that shines.

🔄 Synonyms & Antonyms

Synonyms (Similar Meaning)

  • Lichtquelle: More technical, general term (light source).
  • Glühbirne: Colloquially often synonymous, but technically only correct for incandescent bulbs.
  • Lampe: Sometimes colloquially used for the bulb itself, but usually means the whole fixture.
  • Birne: Very colloquial for bulb, especially for the classic pear shape (Birne = pear).

Antonyms (Opposites)

  • (Direct antonyms are difficult)
  • Dunkelheit: Darkness (the state without light).
  • Schatten: Shadow (area not reached by light).

Potentially Confusing Words

  • Leuchte: The complete lighting fixture (e.g., table lamp, ceiling light) that holds the Leuchtmittel.

😂 A Little Joke

Deutsch: Frage: Wie viele Programmierer braucht man, um ein Leuchtmittel zu wechseln? Antwort: Keinen. Das ist ein Hardware-Problem!

English: Question: How many programmers does it take to change a light source (Leuchtmittel)? Answer: None. That's a hardware problem!

✒️ Poem about the Leuchtmittel

Deutsch:
Ein kleines Ding, oft unscheinbar,
Das Leuchtmittel, hell und klar.
Ob LED, Halogen, ganz alt,
Es macht den dunklen Raum nicht kalt.

Mit Strom gespeist, fängt's an zu glühen,
Lässt Schatten schnell vorüberziehen.
Ist es defekt, schnell ausgetauscht,
Damit das Licht aufs Neue rauscht.

English Translation:
A little thing, often plain to see,
The light source, bright and clear for me.
Be it LED, halogen, or old,
It keeps the dark room from the cold.

Fed power, it begins to glow,
Making shadows quickly go.
If broken, swiftly swapped anew,
So light can freshly rush on through.

❓ Riddle Time

Deutsch:
Ich wohne in Lampen, groß und klein,
und bringe in die Nacht den Schein.
Mal bin ich Birne, mal ein Stab,
Energie ich gerne hab'.
Geh ich kaputt, wird's wieder düster,
Man braucht Ersatz, sonst bleibt es wüster.

Was bin ich?

Lösung: Das Leuchtmittel

English Translation:
I live in lamps, both big and small,
And bring light into night for all.
Sometimes a bulb, sometimes a rod,
Energy makes me work, by God.
If I break, it turns dark anew,
You need a spare, or gloom stays true.

What am I?

Solution: The light source / bulb (Das Leuchtmittel)

🧩 Other Details: Word Composition & More

Word Composition

The word "Leuchtmittel" is a compound noun, formed from:

  • leucht- (stem of the verb "leuchten" - to shine, to light up)
  • Mittel (neuter noun: means, medium, agent, remedy)

Meaning essentially: A means for shining/lighting.

Technological Variety

The term encompasses a wide range of technologies whose efficiency and lifespan can vary greatly (e.g., incandescent lamp vs. LED).

📝 Summary: is it der, die or das Leuchtmittel?

The word "Leuchtmittel" is neuter, so the correct article is das Leuchtmittel. It refers to the part of a lamp that produces light (e.g., an incandescent bulb or LED). The plural form is "die Leuchtmittel".

🤖

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