mono

A viral infection marked by extreme fatigue, high fever, and swollen lymph nodes.

A bicycle or motorcycle trick where the front wheel is lifted off the ground while riding

Monaural or monophonic; having only a single audio channel.

“Because many in the audience were very close to one of the speakers, the DJ decided to play the music in mono.”

Monochrome.

An injective homomorphism

The absence of sexual dimorphism

A morphism n such that for any other morphisms f and g, if n \circ f = n \circ g then f = g.

A monogamous person.

Monoamorous, monogamous.

Monosexual.