different between ultraviolet vs heliochromism

ultraviolet

English

Etymology

From ultra- +? violet.

Adjective

ultraviolet (comparative more ultraviolet, superlative most ultraviolet)

  1. of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 nanometre - 10 nanometre

Translations

Noun

ultraviolet (countable and uncountable, plural ultraviolets)

  1. Ultraviolet colour.

Translations

See also

  • ultraviolet radiation

French

Etymology

From ultra- +? violet

Adjective

ultraviolet (feminine singular ultraviolette, masculine plural ultraviolets, feminine plural ultraviolettes)

  1. ultraviolet

Noun

ultraviolet m (plural ultraviolets)

  1. ultraviolet (light)

Further reading

  • “ultraviolet” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Romanian

Etymology

From French ultraviolet.

Adjective

ultraviolet m or n (feminine singular ultraviolet?, masculine plural ultraviole?i, feminine and neuter plural ultraviolete)

  1. ultraviolet

Declension

ultraviolet From the web:

  • what ultraviolet radiation
  • what ultraviolet light looks like
  • what ultraviolet looks like
  • what ultraviolet rays
  • what's ultraviolet light
  • what's ultraviolet used for
  • ultraviolet meaning
  • what ultraviolet radiation used for


heliochromism

English

Noun

heliochromism (uncountable)

  1. (physics, chemistry) The property of certain photochromic materials of colouring in near-ultraviolet light and then fading in its absence; they are used in the lenses of sunglasses

heliochromism From the web:

  • what does heliochrome mean
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