simultaneous
Cross references:
1. contemporary
si.mul.ta.neous \-'ta--ne--*s, -ny*s\ aj [(assumed) ML simultaneus, fr. L
simul at the same time - more at] SAME 1: existing or occurring at the same
time : COINCIDENT 2: satisfied by the same values of the variables {~
equations} - si.mul.ta.neous.ly av
Webster's English Dictionary