helio








noun, plural he·li·os. Informal.

  1. a heliogram.
  2. a heliograph.

  1. a combining form meaning “sun,” used in the formation of compound words: heliolatry.

combining form

  1. indicating the sunheliocentric; heliolithic

word-forming element meaning “sun,” from Greek helio-, comb. form of helios “sun” (see sol).

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