| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
authentic (ɔːˈθɛntɪk) ![]() | |
| —adj | |
| 1. | of undisputed origin or authorship; genuine: an authentic signature |
| 2. | accurate in representation of the facts; trustworthy; reliable: an authentic account |
| 3. | (of a deed or other document) duly executed, any necessary legal formalities having been complied with |
| 4. | music |
| a. using period instruments and historically researched scores and playing techniques in an attempt to perform a piece as it would have been played at the time it was written | |
| b. (in combination): an authentic-instrument performance | |
| 5. | music Compare plagal |
| a. (of a mode as used in Gregorian chant) commencing on the final and ending an octave higher | |
| b. (of a cadence) progressing from a dominant to a tonic chord | |
| [C14: from Late Latin authenticus coming from the author, from Greek authentikos, from authentēs one who acts independently, from | |
| au'thentically | |
| —adv | |
| authenticity | |
| —n | |