|an antibiotic, obtained from the soil bacterium Bacillus brevis, consisting of tyrocidine and gramicidin and active against Gram-positive bacteria such as staphylococci and streptococci: applied locally for the treatment of ulcers and abscesses|
|[C20: from New Latin Tyrothrix (genus name), from Greek turos cheese + thrix hair]|
tyrothricin ty·ro·thri·cin (tī'rō-thrī'sĭn)
A gray-brown mixture consisting mainly of tryocidine and gramicidin, used as a topical antibiotic in treating infections caused by gram-positive bacteria.
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|