Daylight was scarcely visible through the opaque window-panes.
Some days—and these were the most distressing of all—an opaque veil of smoke enveloped Paris.
Around us were opaque mountains of clouds with irradiated edges.
But where is the opaque breath of the storm, where are the clouds?
The spores are broadly elliptic-fusiform, black, opaque, 107.
It is not surprising ...