codiscover

verb

co·​dis·​cov·​er ˌkō-di-ˈskə-vər 

variants or co-discover

codiscovered or co-discovered; codiscovering or co-discovering

transitive + intransitive

: to discover (something) with one or more others : to be one of the discoverers of (something)

… James D. Watson, the scientist who co-discovered the double-helical structure of DNA …

—Steven Weinberg

codiscoverer

ˌkō-di-ˈskə-vər-ər 

noun

or co-discoverer

plural codiscoverers or co-discoverers

Dr. Seaborg has played a key role in basic research as codiscoverer of a number of new elements of matter …

—Chemical & Engineering News

Word History

First Known Use

1948, in the meaning defined above