diplobiontic
/ˌdɪplə(ʊ)bʌɪˈɒntɪk/ /ˌdɪplə(ʊ)bɪˈɒntɪk/Biology
adjective
Designating a plant or fungus whose life cycle involves alternation of generations between two distinct free-living types (which may be either haploid or diploid).
Origin
Early 20th century; earliest use found in American Naturalist. From diplo- + -biont + -ic, after German diplobiontisch.