Editing MCS (section)

==Science and technology==
* [[Mars Climate Sounder]] instrument, on Mars Reconnaissance Orbiter spacecraft
* [[MAssive Cluster Survey]] abbreviated as either MACS or MCS
* [[Matrix cable system]], submarine communications cable connecting Indonesia and Singapore
* [[Megawatt Charging System]], electric vehicle charging connector
* [[Mercalli-Cancani-Sieberg scale]], a scale of earthquake intensity, successor to the Mercalli intensity scale
* [[Mesoscale convective system]], a complex of thunderstorms
* [[Modulation and coding scheme]], in the telecommunications industry

===Biology and medicine===
* [[Membrane contact site]], within cells
* [[Minimally conscious state]], a disorder of consciousness
* [[Multiple chemical sensitivity]], an unrecognized and controversial medical diagnosis characterized by chronic symptoms attributed to exposure to low levels of commonly used chemicals
* [[Multiple cloning site]], the region of restriction enzyme sites in a plasmid

===Computing===
* [[Master of Computer Science]]
* Multiple Console Support, in [[OS/360 and successors]]
* [[Multi categories security]], in Security-Enhanced Linux
* [[Multinational Character Set]], used in VT220 terminals
* ''[[Music Construction Set]]'', a music composition notation program
* [[MCS algorithm]] (Multilevel Coordinate Search), a derivative-free optimization algorithm
* [[Micro Computer Set (disambiguation)]], various Intel microprocessor architectures