| mono- or (before a vowel) mon- | |
| —combining form | |
| 1. | one; single: monochrome; monorail |
| 2. | indicating that a chemical compound contains a single specified atom or group: monoxide |
| [from Greek monos] | |
| mon- or (before a vowel) mon- | |
| —combining form | |
| [from Greek monos] | |
mon- pref.
Variant of mono-.