oc·to·roon 
(ŏk′tə-rn)
(ŏk′tə-rn)n.
A person having white ancestors except for one black great-grandparent. Used especially as a classification under certain European colonial legal systems and now considered offensive.
[OCTO- + (QUAD)ROON.]
- histochemical
- histochemically
- histochemistry
- histocompatibility
- histocompatibility antigen
- histocompatible
- histodialysis
- histogenesis
- histogenetic
- histogenetically
- histogenic
- histogenically
- histogram
- histologic
- histological
- histologically
- histologist
- histology
- histolysis
- histolytic
- histomoniasis
- histone
- histopathologic
- histopathological
- histopathologically