contemporaneous
con|tem|po|ra|neous /kənt'empər'eɪniəs/
[ADJ]
If two events or situations are contemporaneous, they happen or exist during the same period of time. (FORMAL)
...the contemporaneous development of a separate and quite recognisable Scottish school of art.
[ADJ]
If two events or situations are contemporaneous, they happen or exist during the same period of time. (FORMAL)
...the contemporaneous development of a separate and quite recognisable Scottish school of art.