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Use "opacous" in a sentence
"And indeed, there seem to be so few bodies in the world that are _in minimis_ opacous, that I think one may make it a rational _Query_, Whether there be any body absolutely thus _opacous_?"
"I suspect that rather than Iran, Obama is more concerned with the nuclear threat posed by North Korea or indeed the opacous Israel."
"That the moon is a solid, compacted, opacous body."