mon-

1.
variant of mono- before a vowel:
monacid.
British Dictionary definitions for mon-

mon-

combining form
1.
a variant of mono-

mono-

combining form
1.
one; single: monochrome, monorail
2.
indicating that a chemical compound contains a single specified atom or group: monoxide
Word Origin
from Greek monos
mon- in Medicine

mon- pref.
Variant of mono-.