Definition of prismane in English:

prismane

noun

Chemistry
  • 1A red, crystalline hydrocarbon which is an isomer of benzene (C₆H₆) and has a molecule containing six carbon atoms arranged at the corners of a triangular prism; any of various analogues or substituted derivatives of this.

  • 2A cluster of atoms of iron, sulphur, and/or other elements bonded together in the shape of a prism; specifically one containing six iron and six sulphur atoms. Chiefly attributive.

Origin

1960s. From prism + -ane.

Pronunciation

prismane

/ˈprɪzmeɪn/