dark hydrogen
nounEtymology From being a state of matter which neither transmits nor reflects visible light, but can transmit infrared.
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Natural sciences, Physical sciences, Physics A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen).
- One particular species of these candidates seems to be not dark at all: so-called dark hydrogen masses located in the optical Galactic disk.2000, F. Combes, G. Pineau des Forets, Molecular Hydrogen in Space, →ISBN, page 48:
- The over-unity energy production could be due to a gradual transformation of hydrogen to dark hydrogen in the same state as in water.2007, Florentin Smarandache, V. Christianto, Hadron models and related New Energy issues, →ISBN, page 96:
1 more example
- However, the rates of dark hydrogen production were relatively low.2013, Tokio Ohta, Solar-Hydrogen Energy Systems, →ISBN:
- Related terms
- metallic hydrogen