Definition of orthotomic in US English:

orthotomic

adjective

Mathematics
  • Intersecting at right angles.

Origin

Mid 19th century; earliest use found in Arthur Cayley (1821–1895), mathematician. From ortho- + ancient Greek -τόμος + -ic.

Pronunciation

orthotomic

/ˌɔːθə(ʊ)ˈtɒmɪk/