tyrocidine ty·ro·ci·dine or ty·ro·ci·din (tī'rə-sīd'n)
n.
A polypeptide antibiotic, produced by the soil microorganism Bacillus brevis, that is a major constituent of tyrothricin.
| a chattering or flighty, light-headed person. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |