| a combining form meaning “alone,” “single,” “one” (monogamy); specialized in some scientific terms to denote a monomolecular thickness (monolayer) and adapted in chemistry to apply to compounds containing one atom of a particular element (monohydrate). |
| mono- or mon- pref.
[Middle English, from Old French, from Latin, from Greek, from monos, single, alone; see men-4 in Indo-European roots.] |
mono- or mon-
pref.
One; single; alone: monomorphic.
Monomolecular; monatomic: monolayer.
Containing one atom, molecule, or group: monomer.
| mono-
A prefix that means "one, only, single," as in monochromatic, having only one color. It is often found in chemical names where it means "containing just one" of the specified atom or group, as in carbon monoxide, which is carbon attached to a single oxygen atom. |
