English edit

Etymology edit

pre- +‎ illumination

Noun edit

preillumination (uncountable)

  1. Illumination prior to some other process.
    • 2013, Hans Mohr, Photomorphogenesis, →ISBN, page 323:
      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[.]
    • 2015 October 24, “Decreased Phototoxic Effects of TiO₂ Nanoparticles in Consortium of Bacterial Isolates from Domestic Waste Water”, in PLOS ONE[1], →DOI:
      However under UVA preillumination, Bacillus anthracis when interacted with TiO 2 -NPs exhibited a synergistic toxic effect.