the quality of being opaque to a degree; the degree to which something reduces the passage of light.
barium meal; chemical substance,opaque to X-rays,that is taken in to a patient's digestive tract,usu by swallowing, before the tract is X-rayed
opaque windows of the jail; opaque to X-rays.
The M17 SWex "dragon" is hidden within dust clouds that are opaque to visible light.
a substance that is opaque to X rays; when administered orally or intravenously it allows a radiologist to examine the organ or tissue it fills.
A chemical solution opaque to x-rays.
The content of a CMIS policy is opaque to the CMIS repository, so you can use it quite flexibly.
Satellites can hardly see past the surface of the water, let alone the ocean floor, and so the ocean remains relatively opaque to our eyes, our technology, and for the most part, our understanding.
For this reason, water is transparent to radio waves( which have a long wavelength) and to visible light( short wavelength) but opaque to microwaves( intermediate wavelength).
The local names are opaque to other contexts, which minimizes the risks of name conflicts.
The jargon in his talk was opaque to me.
Vermeer's life is as opaque to the eyes of history as his painting.
Meanwhile, although the workings of the ruling party in Vietnam remain opaque to most outsiders, it's clear that there's both a pro-China faction and pro-US faction.
A wall of golden glass, gradated from opaque to translucent, "offers the personal connection" into the kitchen as diners may catch a glimpse of the chefs at work.
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