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Webster 1913 Edition

Adj.

[LL.

simultim

at the same time, fr. L.

simul

. See

Existing, happening, or done, at the same time;

as,

simultaneous

events

–

Siˊmul-ta′ne-ous-ly

adv.

–

Siˊmul-ta′ne-ous-ness

Noun.

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.

Adj.

[L. simul, at the same time.] Existing or happening at the same time; as simultaneous events. The exchange of ramifications may be simultaneous.