Definition of computistic in US English:

computistic

adjective

historical
  • Of or relating to computation; especially of or relating to calendrical or astronomical calculation, or the use of a computus.

Origin

Mid 19th century; earliest use found in John Herschel (1792–1871), mathematician and astronomer. Probably from post-classical Latin computisticus.

Pronunciation

computistic

/ˌkɒmpjʊˈtɪstɪk/