This is the 13159th most frequent Russian word.
метана
"Метана" is the genitive singular or nominative plural form of "метан," which means "methane" in English, a colorless, odorless flammable gas.
Here 'метана' refers to methane as a chemical substance, showcasing its contextual use in scientific or natural discussions.
В атмосфере обнаружен высокий уровень метана.
A high level of methane was detected in the atmosphere.
In this sentence, 'метана' is used to describe methane as a fuel or chemical involved in combustion.
Сжигание метана приводит к выделению углекислого газа.
Burning methane leads to carbon dioxide emission.
In this case, 'метана' implies methane in the context of industrial or technical processes around its storage or movement.