1. (noun) the act of expelling or projecting or ejecting

• ejection
• expulsion
• projection

1. (noun) the act of expelling or projecting or ejecting

• actuation
• propulsion

1. (noun) the act of expelling or projecting or ejecting

• belch
• belching
• burp
• burping
• eructation
• belching
• coughing up
• disgorgement
• emesis
• puking
• regurgitation
• vomit
• vomiting
• expectoration
• spit
• spitting

1. (noun) the act of expelling or projecting or ejecting

• discharge
• discharge
• eject
• eject
• exhaust
• exhaust
• expel
• expel
• release
• release
• eject
• force out
• squeeze out
• squirt
• eject