pantoscope /panˈtə-skōp/

1. A panoramic camera
2. A very wide-angled photographic lens

pantoscopic /-skopˈik/ adjective

1. Giving a wide range of vision
2. Bifocal

• gas lamps
• gas lift
• gas lifts
• gaslight
• gaslights
• gas-lime
• gas-liquor
• gaslit
• gas main
• gas mains
• gasman
• gas mantle
• gas mantles
• gas mask
• gas masks
• gasmen
• gas meter
• gas meters
• gas-motor
• gas-motors
• gasogene
• gasogenes
• gasohol
• gasohols
• gas oil