(astronomy, cosmology) A linked phenomenon conjectured to explain dark matter and dark energy as different manifestations of the same underlying laws of gravity.

(physics) A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen).

Alternative form of dark fibre

Unused optical fibre that is available for use

Data that are unanalyzed, inaccessible, or not organised in such a way that they are readily available.

plural of act of darkness

plural of dark factory

plural of dark store

plural of dark-lanthorn

plural of dark flight