the quality of being opaque to a degree; the degree to which something reduces the passage of light | an essential and distinguishing attribute of something or someone |
incomprehensibility resulting from obscurity of meaning | (music) the distinctive property of a complex sound (a voice or noise or musical sound) |
the phenomenon of not permitting the passage of electromagnetic radiation | a degree or grade of excellence or worth |
| a characteristic property that defines the apparent individual nature of something |
| high social status |