Word.ws English Dictionary

preillumination

preillumination noun: illumination prior to some other process.

Noun

preillumination (uncountable)

  1. Illumination prior to some other process.
    • The lag period in chlorophyll synthesis can be eliminated by exposing the dark-grown cells to a 2-h preillumination period followed by a 12-h dark period prior to placing them in continuous light for chloroplast development[.]2013, Hans Mohr, Photomorphogenesis, →ISBN, page 323
    • However under UVA preillumination, Bacillus anthracis when interacted with TiO 2 -NPs exhibited a synergistic toxic effect.2015 October 24, “Decreased Phototoxic Effects of TiO₂ Nanoparticles in Consortium of Bacterial Isolates from Domestic Waste Water”, in PLOS ONE, →DOI

Origin of preillumination

From pre- + illumination.

Questions about preillumination

What does preillumination mean?
Preillumination means illumination prior to some other process.
What part of speech is preillumination?
Preillumination is a noun.

Words near preillumination in the dictionary

  1. preileorectal
  2. preilluminate
  3. preilluminated
  4. preilluminates
  5. preilluminating
  6. preillumination
  7. preimage
  8. preimage attack
  9. preimage attacks
  10. preimages
  11. preimaginal

Source and license

Adapted from Wiktionary: preillumination (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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