noun
exhaust gas, emission
B1
Means 'exhaust gas' or 'emission' (e.g., vehicle fumes, industrial emissions). Neuter noun: das Abgas. Plural Abgase. Declension examples: das Abgas (Nom. Sg.), die Abgase (Nom. Pl.), des Abgases/der Abgase (Gen.). Common in environmental topics and news about air pollution and climate discussions.
Examples
Die Abgase sind schlecht für die Luftqualität.
Exhaust gases are bad for air quality.
Abgase von Autos verschmutzen die Umwelt.
Exhaust fumes from cars pollute the environment.
Die Anwohner klagten über Abgas, weil der Verkehr in der Nacht zunahm.
The residents complained about exhaust because traffic increased at night.
Details
Mnemonics
Imagine grey fumes coming from a car tailpipe labeled 'Abgas'.
Abgas — sounds like 'up-gas' (gas going up from engine).
Das Abgas — neuter like many chemical or gas nouns (das Gas).
Notes
Used in environmental and automotive contexts. Plural 'Abgase' often used when talking about pollution in general.