Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective mathematics, physics Extremely
weak
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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On the ultraweak photon emission phenomenon of a soybean.
Archive 2005-12-01 2005
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On the ultraweak photon emission phenomenon of a soybean.
Prunings XIII 2005
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Biophoton emission is synonymous with ultraweak photon emission, low-level biological chemiluminescence, ultraweak bioluminescence, and other similar terms which are together more common in the scientific litterature than biophoton.
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\ "ultraweak\" photon emissions from living tissues in the UV-range of the spectrum.
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That biophotons (also known as ultraweak photon emissions) exist had been established long before Oblak’s team took the striking images.
All living things emit a faint glow. Could this light be useful? Jo Marchant 2026
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