Oxford unit

Ox·ford u·nit

the minimum amount of penicillin that will prevent the growth of Staphylococcus aureus over an area 26 mm in diameter in a standard culture medium; 1 unit equals 0.6 mcg of crystalline sodium salt of penicillin.

Synonym(s): Florey unit

Florey,

Sir Howard W., Australian-English pathologist and Nobel laureate, 1898-1968.

Florey unit - 1 unit equals 0.6 mcg of crystalline sodium salt of penicillin. Synonym(s): Oxford unit

Ox·ford u·nit

(oksfŏrd yūnit)

Minimal amount of penicillin that will prevent growth of Staphylococcus aureus over an area 26 mm in diameter in a standard culture medium.