WordReference Random House Unabridged Dictionary of American English © 2026
serv′ice mod′ule, 
  1. (often caps.)[U.S. Aerospace.]the section of an Apollo spacecraft containing the principal propulsion system, electrical system, water, and other supplies.
  • 1960–65

'service module' also found in these entries (note: many are not synonyms or translations):
module

Forum discussions with the word(s) "service module" in the title:


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