Definition of recombinational in English:
recombinational
adjective ˌriːkɒmbɪˈneɪʃ(ə)n(ə)lˌriːkɒmbɪˈneɪən(ə)l
Genetics Of or relating to recombination; formed by recombination.
Origin
1930s; earliest use found in American Naturalist. From recombination + -al.