From proto- + -biontic. <span class="searchmatch">protobiontic</span> (not comparable) Relating to protobionts...
photobiontic Misspelling of photobionic. Misspelling of photobiotic. Misspelling of <span class="searchmatch">protobiontic</span>....
biont + -ic -biontic Related to bionts. English terms suffixed with -biontic alkalibiontic epibiontic <span class="searchmatch">protobiontic</span>...
protobiface protobinary protobiological protobiologist protobiology protobiont <span class="searchmatch">protobiontic</span> protobiotic protobird protoboard protobromide Proto-Brythonic protobulge...