LNGalso: エルエヌジーFreq.FrequencyTop 50,000Meanings1nounliquefied natural gas; LNGchemistryTechnical term in chemistry and energy industries; the abbreviation is more common than the full form 液化天然ガス.See also: 液化天然ガス日本にほんはLNGの最さい大だいの輸ゆ入にゅう国こくの一ひとつです。Japan is one of the largest importers of LNG.