stereology

[ ster-ee-ol-uh-jee, steer- ]
/ ˌstɛr iˈɒl ə dʒi, ˌstɪər- /

noun

a branch of science dealing with the determination of the three-dimensional structure of objects based on two-dimensional views of them.

Origin of stereology

First recorded in 1960–65; stereo- + -logy