homaloid

homaloid

(ˈhɒməˌlɔɪd)
n
(Mathematics) geometry a geometrical plane, a flat surface or space
References in periodicals archive ?
But the shortest dictionary-sanctioned words with 2 state names hidden in them are HOMALOID (Webster's Second, W2) and MAIDHOOD (W3), both of which contain IDAHO and OHIO.