mono- — one, single (affix)
mono-
one, single
Used in (3)
monopoly
C1
/məˈnɑpəli/
Complete control of a market by a single company, with no competition.
Meaning
Off
Sound
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monotone
C2+
/ˈmɑnəˌtoʊn/
a single unvaried tone or pitch in speech or sound
Meaning
Off
Sound
Off
monologue
C2+
/ˈmɑnəlɔɡ/
a long speech by one speaker, especially in a play or performance
Meaning
Off
Sound
Off