| the offspring of a zebra and a donkey. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
tetracycline tet·ra·cy·cline (tět'rə-sī'klēn', -klĭn)
n.
A yellow crystalline compound synthesized or derived from certain microorganisms of the genus Streptomyces and used as a broad-spectrum antibiotic.
An antibiotic, such as chlortetracycline and oxytetracycline, having the same basic structure.
| tetracycline (tět'rə-sī'klēn', -klĭn) Pronunciation Key
A yellow crystalline compound, C22H24N2O8, synthesized or derived from several bacterial species of the genus Streptomyces and used as an antibiotic in bacterial infections. Other drugs of the tetracycline class have a similar chemical structure. |