uni-, un-

United we shall go forward.

Motto of Gabon Republic.

1. The state of being one; oneness.
2. A whole or totality as when combining all its parts into one; or the combining or joining of separate things or entities to form one unit.
3. The state or fact of being united or combined into one, as with the parts of a whole; unification.
4. Absence of diversity; unvaried, or uniform in character.
5. Oneness of mind, feeling, etc., as with a number of people; a concord, harmony, or agreement.
6. In mathematics, the number "one"; a quantity regarded as one.
7. In literature and art, a relation of all the parts or elements of a work constituting a harmonious whole and producing a single general effect.
8. One of the three principles of dramatic structure (the three unities) derived from Aristotelian aesthetics and formalized in the neoclassic canon in which a play is required to represent action as taking place in one day (unity of time), as occurring within one place (unity of place), and as having a single plot with a beginning, middle, and end (unity of action).

The barcode standard used in North America.

It is administered by the Uniform Code Council.