Preillumination
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Illumination prior to some other process. uncountable
"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[.]"
Example
More examples"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[.]"
Etymology
From pre- + illumination.
More for "preillumination"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.