homolographic

hom·o·lo·graph·ic

H0257900 (hŏm′ə-lə-grăf′ĭk)adj. Maintaining the ratio of parts.
[Greek homalos, even; see sem- in Indo-European roots + graphic.]

homolographic

(həʊˌmɒləˈɡræfɪk) or

homalographic

adj (Physical Geography) cartography another term for equal-area