payload assist module
noun
a U.S. solid-propellant rocket used to boost a medium-weight spacecraft from a circular low-earth orbit to an elliptical transfer orbit for later insertion into a geosynchronous orbit. Abbreviation: PAM
Compare
inertial upper stage.
Origin of payload assist module
First recorded in 1980–85
Words nearby payload assist module
paye,
payee,
payer,
paying guest,
payload,
payload assist module,
payload bay,
payload specialist,
payloader,
paymaster,
payment