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Words, grammatical forms and meanings linked to the ontology.

dark hydrogen en · NOUN

Etymology

From being a state of matter which neither transmits nor reflects visible light, but can transmit infrared.

Meanings

  1. (uncountable) A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen).
    • However, the rates of dark hydrogen production were relatively low. 2013, Tokio Ohta, Solar-Hydrogen Energy Systems, →ISBN:
    • 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:
    • 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:

Relateds

metallic hydrogen