dark hydrogen
A state of hydrogen that is poorly electrically conductiveA state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen).
Meaning
1 senses(uncountable)A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen).
Origin
From being a state of matter which neither transmits nor reflects visible light, but can tFrom being a state of matter which neither transmits nor reflects visible light, but can transmit infrared.
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Word family
1 related wordsRelatedmetallic hydrogen
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable