Microzyme

Microzyme, a minute organism which acts as a ferment when it enters the blood and produces zymotic diseases.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Microphone * Midas
[wait for the fun]
Michaelmas
Michel, Francesque
Michelet, Jules
Michigan
Michigan, Lake
Mickiewicz, Adam
Mickle, William Julius
Microbe
Microcosm
Microphone
Microzyme
Midas
Middle Ages
Middle English
Middle Passage
Middlesbrough
Middlesex
Middleton, Conyers
Middleton, Thomas
Midgard
Midianites