kən|tempə|rānēəs, (ˈ)kän|-, -nyəs adjective
Etymology: Latin contemporaneus, from com- + tempor-, tempus time + -aneus (as in subterraneus subterranean) — more at temporal
1. : existing or occurring during the same time (as during a year, decade, or longer span of time)
the Classical Revival or Federal style, which was virtually contemporaneous with the Regency in England — American Guide Series: Pennsylvania
love of school is not contemporaneous with residence therein; it is an after product — C.H.Grandgent
2. : originating, arising, or being formed or made at the same time : marked by characteristics compatible with such origin
the portions of the reef that are surrounded by contemporaneous , pure, fragmentary limestone — Journal of Geology
Synonyms: see contemporary