sight glass

Definitions

Aviation

• noun a simple fluid-level gauge

Cars & Driving

• noun viewing glass or window set in the refrigerant pipe of a car’s air-conditioning system, usually in the top of the receiver-drier, which allows a visual check of the refrigerant passing from the receiver to the evaporator

Construction

• A glass tube used to indicate the liquid level in boilers, tanks, etc.

Nearby Definitions of “sight glass”

• siege
• Siegel's paradox
• sieve
• sight
• sight draft
• sight glass
• sighted
• sighter
• sightline
• sightscreen
• sign

Contexts for “sight glass”

3 definitions in context
• Aviation
• Cars & Driving
• Construction