Pronunciation: ˌ f ō -t ō -j ē - ' ä-l ə -j ē
Function: noun
Date: 1941
: a branch of geology concerned with the identification and study of geological features through the study of aerial or orbital photographs
– pho · to · geo · log · ic \ - ˌ j ē - ə - ' lä-jik \ also pho · to · geo · log · i · cal \ -ji-k ə l \ adjective
– pho · to · ge · ol · o · gist \ - ' ä-l ə -jist \ noun