darkness obliterating form or the dematerialising power of light
In the following context "obliterating" seems to mean "covering" but how about "dematerialising"?
Context:
Like the Gnostic mystics who sought the truth in darkness, she sees light as an obliterating, obscuring force: ‘It reveals itself at the expense of obscuring something else,’ she says. Anything represented ‘is only recorded in patches of light and dark. It’s no longer there. And it could (either or both) be darkness obliterating form or the dematerialising power of light.’
Top answer
Obliterate = destroy. "
— Mister Micawber
Obliterate = destroy.
"
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The passage is talking about her attitude toward light and shadow in her paintings, that is all; a painting of something is just a compilation of light and dark spaces; it does not portray the thing itself.