Octarine

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The color of magic, a notional extra color distinct from the colors of the rainbow / normal visible light spectrum, which is said (chiefly in certain fiction but also by some occultists) to be visible to users of magic. uncountable

    "[…] colors like octarine, the eighth color, an elusive spectral mix that's hard to describe and impossible to perceive. That's the thing about color. Try describing a rainbow or a sunset to a blind person or ask a synesthete[…]"

Example

More examples

"[…] colors like octarine, the eighth color, an elusive spectral mix that's hard to describe and impossible to perceive. That's the thing about color. Try describing a rainbow or a sunset to a blind person or ask a synesthete[…]"

Etymology

See octa-, -ine. Coined by author Terry Pratchett for his Discworld series.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.