1. noun ambience, character2. noun PHYS, ASTRON around planet3. noun air4. noun MEAS, PHYS unit of pressure1 noun ambience, characteratmaisféar masc1 c m ua romantic atmosphereatmaisféar rómánsúilthere's a great atmosphere in that theatretá atmaisféar iontach san amharclann sin, tá carachtar iontach ag an amharclann sinthere's a convivial atmosphere in this hoteltá atmaisféar taitneamhach san óstán seo, tá an t-óstán seo breá cuideachtúilthere's a special atmosphere of calm on the islandtá suaimhneas iontach le mothú ar an oileán2 noun PHYS, ASTRON around planetatmaisféar masc1 c m u3 noun airaer masc1 c m uthe atmosphere was stale with smokebhí an t-aer lán le seanbholadh tobacthis plant needs a very dry atmosphereteastaíonn áit an-tirim ón bplanda seo4 noun MEAS, PHYS unit of pressureatmaisféar masc1 c m u