antitoxin unit

an·ti·tox·in u·nit

a unit expressing the strength or activity of an antitoxin; in general, determined with reference to a preserved standard preparation of antitoxin.
See also: L doses.

an·ti·tox·in u·nit

(an'tē-tok'sin yū'nit)

A unit expressing the strength or activity of an antitoxin; in general, determined with reference to a preserved standard preparation of antitoxin.

antitoxin unit

A unit for expressing the strength of an antitoxin. Originally, the various units were defined biologically, but now they are compared with a weighed standard specified by the US Public Health Service and the World Health Organization.