mensuration

 
Pronunciation: /mɛnʃəˈreɪʃ(ə)n, -sjə-/

noun

[mass noun]
  • measurement.
  • the part of geometry concerned with ascertaining lengths, areas, and volumes.

Origin:

late 16th century (denoting measurement in general): from late Latin mensuratio(n-), from mensurare 'to measure'