metaanilla
Metaanilla is the Finnish adessive form of metaani (methane). It is used to indicate methane as a fuel, medium, or reagent in Finnish sentences. In technical and everyday language, metaanilla designates that methane is being used in the situation described, rather than just mentioned as a substance. The adessive case -lla/-llä in Finnish often marks location, medium, or means, so metaanilla can translate roughly to “on methane,” “with methane,” or “using methane,” depending on context.
In practice, metaanilla appears in contexts such as energy and transportation discussions, chemical experimentation, and environmental
Etymologically, the word combines metaani with the instrumental/locative adessive suffix -lla, following Finnish grammar for marking
See also: metaani, biometaani, fossiiliset polttoaineet, kaasumaiset polttoaineet, energia- ja ympäristöaiheet.