The AI-powered English dictionary
plural outgroups
(sociology) The group of people who do not belong to one's own social group.
(systematics) In cladistics, all the taxa included in a study that do not belong to the ingroup that is of immediate interest. quotations examples
A cladistic analysis of 45 ingroup and two outgroup taxa was performed on the basis of 134 characters.
2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436
To study the genetic relationships among diphyllobothroid tapeworms, other members of the Diphyllobothriidae are considered, with T. solium as the outgroup.
2012, Dongyou Liu, Molecular Detection of Human Parasitic Pathogens, page 293
third-person singular simple present outgroups, present participle outgrouping, simple past and past participle outgrouped
To form an outgroup. examples