disinfectant
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disinfectant
A chemical substance used to kill or inactivate pathogens such as bacteria, viruses, or fungi on surfaces, objects, or skin.
Bitte benutze das Desinfektionsmittel für deine Hände, bevor du den Raum betrittst.
Please use the disinfectant for your hands before you enter the room.
The word is made up of three parts: the prefix 'Des-' means 'un-' or 'away,' followed by 'Infektion' (infection) and 'Mittel' (agent/remedy). So it is literally an 'agent against infection.'
Im Krankenhaus riecht es oft nach Desinfektionsmittel.
In hospitals, it often smells of disinfectant.
The component '-mittel' at the end of a noun often refers to a substance with a specific purpose. If you recognize this pattern, you can also understand other words like 'Reinigungsmittel' (cleaning product), 'Heilmittel' (remedy), or 'Lösungsmittel' (solvent) more easily.
Welches Reinigungsmittel benutzt du für das Badezimmer?
Which cleaning product do you use for the bathroom?
The word is often combined with the verb 'benutzen' (to use) or 'verwenden' (to use). The purpose is also often indicated with the preposition 'für' (for).
Man sollte ein Desinfektionsmittel für die Reinigung der Küche verwenden.
You should use a disinfectant for cleaning the kitchen.
antibiotic
'das Antibiotikum' and 'das Desinfektionsmittel' both have to do with pathogens, but they are used very differently. An antibiotic is a medication for bacterial infections inside the body. You take it, for example, as a tablet or liquid medicine when a doctor prescribes it. A disinfectant is used on the skin, on surfaces, or on objects to kill germs there. Learners may confuse the words because both can help against bacteria. The important point is: an antibiotic treats an infection inside the body; a disinfectant cleans and protects from the outside.
Vor dem Training benutzt die Kundin Desinfektionsmittel für ihre Hände.
Before training, the customer uses disinfectant for her hands.
Die Ärztin verschreibt mir ein Antibiotikum, weil die Entzündung bakteriell ist.
The doctor prescribes me an antibiotic because the inflammation is bacterial.