Category:Simultaneous

Si`mul*ta"ne*ous, a. Etym: [ll. simultim at the same time, fr. L. Simul. See simulate.]

Defn: existing, happening, or done, at the same time; as, Simultaneous events. -- si`mul*ta"ne*ous*ly, adv. -- si`mul*ta"ne*ous*ness, n. Simultaneous equations (alg.), two or More equations in which the values of the unknown quantities entering Them are the same at the same time in both or in all.