kaimātai
1. (noun) -ologist, specialist - usually followed by a modifier, e.g. kaimātai kararehe (zoologist), kaimātai koiora (biologist).
Ko te matatika koiora te āta tirotiro i ngā take ka hua mai i ngā kaupapa e whāia ana e ngā kaimātai koiora (RP 2009:280). / Bioethics is the study of issues arising from advances in the biological sciences.