allotetraploid
noun
al·lo·te·tra·ploid ˌa-lō-ˈte-trə-ˌplȯid 
: amphidiploid
allotetraploidy
ˌa-lō-ˈte-trə-ˌplȯi-dē
noun 
Word History
Etymology
allo- + tetraploid entry 2, probably after German Allotetraploid (noun), allotetraploid (adjective)
First Known Use
1930, in the meaning defined above
Medical Definition
allotetraploid
noun
al·lo·te·tra·ploid ˌal-ō-ˈte-trə-ˌplȯid
: amphidiploid