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