noun
gas
B1
Gas (das) denotes 'gas' (a gaseous substance, fuel or chemical). Neuter noun with plural Gase. Declension example: nominative singular das Gas, genitive des Gases, plural die Gase. Can refer to natural gas, gas in containers, or gases in scientific contexts. No special preposition.
Examples
Die Stadt schränkte die Versorgung mit Gas ein, nachdem eine Pipeline beschädigt worden war.
The city restricted the gas supply after a pipeline had been damaged.
Wir heizen im Winter mit Gas.
We heat with gas in winter.
Ich tanke Gas.
I'm filling up with gas.
Details
Mnemonics
Picture a gas flame under a pot to remember the meaning.
Same as English 'gas' — pronounce it the same way.
Das Gas — neuter (das). Imagine a little neutral container labeled 'das' holding the gas.
Notes
Gas is a neuter noun. In technical or scientific contexts 'Gas' may be used in more specific senses (natural gas, cooking gas). Genitive sometimes appears as 'des Gases' or less formally 'des Gas'.