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preillumination. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
From pre- + illumination.
Noun
preillumination (uncountable)
- 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, →DOI:However under UVA preillumination, Bacillus anthracis when interacted with TiO 2 -NPs exhibited a synergistic toxic effect.