1) DC Comics superhero 2) Greek for vapor 3) Prefixes meaning vapors 4) Self-winding clock 5) Self-winding mercury clock 
An obsolete abbreviation A unit of pressure; replaced by atm. ... Origin: abbreviation of atmosphere ... (05 Mar 2000) ... 
Type: Abbreviation Pronunciation: at′mŏs Definitions: 1. Obsolete abbreviation for a unit of pressure; replaced by atm.
Short for atmosphere, this is background noise recorded on location. In television it is sometimes also called actuality. Sometimes called ambient sound.
acronym: Atmospheric Trace Molecules Observed by Spectroscopy
Series of wheeled self-propelled guns, Soltam [IL]