service module
noun
(often initial capital letters) U.S. Aerospace.
the section of an Apollo spacecraft containing the principal propulsion system, electrical system, water, and other supplies.
Origin of service module
First recorded in 1960–65
Words nearby service module
service flat,
service industry,
service line,
service mark,
service medal,
service module,
service pipe,
service road,
service station,
service stripe,
service tree
British Dictionary definitions for service module
service module
noun
a section of an Apollo spacecraft housing the rocket engine, radar, fuel cells, etc, and jettisoned on re-entry into the earth's atmosphere
See also lunar module, command module