( n. )
That which infects, or causes the communicated disease; any effluvium, miasm, or pestilential matter by which an infectious disease is caused.
( n. )
That which infects, or causes the communicated disease; any effluvium, miasm, or pestilential matter by which an infectious disease is caused.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012