Definition of orthodome in US English:

orthodome

noun

  • In a monoclinic crystal: a dome with faces parallel to the orthodiagonal axis. Compare "dome".

Origin

Mid 19th century; earliest use found in James Nicol (1810–1879), geologist. From ortho- + dome.

Pronunciation

orthodome

/ˈɔːθə(ʊ)dəʊm/