Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

|Fewer Letters|More Letters| |-------|---------|---| |CNC|Computerized Numerical Control, for precise machining or measuring| |ESA|European Space Agency| |KSC|Kennedy Space Center, Florida| |SLS|Space Launch System heavy-lift|

|Jargon|Definition| |-------|---------|---| |Raptor|Methane-fueled rocket engine under development by SpaceX| |cryogenic|Very low temperature fluid; materials that would be gaseous at room temperature/pressure| | |(In re: rocket fuel) Often synonymous with hydrolox| |hydrolox|Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer|

^(6 acronyms in this thread; )^(the most compressed thread commented on today)^( has 19 acronyms.)
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