methanum

Internationalism. Compare English methane.

• (Classical Latin) IPA^(key): [mɛˈtʰaː.nũː]
• (modern Italianate Ecclesiastical) IPA^(key): [meˈtaː.num]

methānum n (genitive methānī); second declension

1. (organic chemistry) methane
   • 2015, Pope Franciscus, “Laudato si’. [1], Litterae Encyclicae, Vatican:

     […] sed multae inquisitiones scientificae demonstrant maiorem partem calefactionis universalis postremis decennis gasiorum ex cumulatione oriri […] (dioxydum carbonicum, methanum, oxyda nitrogeni et alia) quae emittuntur potissimum ob humanam industriam.

     […] yet a number of scientific studies indicate that most global warming in recent decades is due to the great concentration of greenhouse gases (carbon dioxide, methane, nitrogen oxides and others) released mainly as a result of human activity.

Second-declension noun (neuter).