Stratarithmetry is a term used in surveying and is spelled as /ˌstrætəraɪθˈmɛtri/. The word derives from Greek roots: strata, meaning "layer" or "level," rithmos, meaning "number," and metron, meaning "measurement." The phonetic transcription of the word helps us to understand the pronunciation of each syllable, emphasizing the /raɪθ/ in the middle. It is a complex word that describes a method of surveying that uses trigonometric calculations to determine the distance and elevation of points on sloping terrain.