Simultaneous vs. Contemporaneous: What's the Difference?

Simultaneous and Contemporaneous Definitions
Simultaneous
Happening, existing, or done at the same time.
Contemporaneous
Originating, existing, or happening during the same period of time
The contemporaneous reigns of two monarchs.
Simultaneous
(Mathematics) Containing variables for which there are values that can satisfy all the equations
Simultaneous equations.
Contemporaneous
Existing or created in the same period of time.
Look in other contemporaneous works to see whether that idea was common then.
Simultaneous
Happening at the same moment.
ADVERTISEMENT
Contemporaneous
Living, existing, or occurring at the same time; contemporary.
The great age of Jewish philosophy, that of Aben Esra, Maimonides, and Kimchi, had been contemporaneous with the later Spanish school of Arabic philosophy.
Simultaneous
To be solved for the same values of variables.
Contemporaneous
Occurring in the same period of time;
A rise in interest rates is often contemporaneous with an increase in inflation
The composer Salieri was contemporary with Mozart
Simultaneous
Existing, happening, or done, at the same time; as, simultaneous events.
Contemporaneous
Of the same period
ADVERTISEMENT
Simultaneous
Occurring or operating at the same time;
A series of coincident events