Co·lum·bi·an 
(kə-lŭmbē-ən)
(kə-lŭmbē-ən)adj.
1. Of or relating to the United States.
2. Of or relating to Christopher Columbus.
- long-sighted
- long-sightedly
- long-sightedness
- longsome
- Longs Peak
- longspur
- long-standing
- longstanding
- Longstreet
- long-suffering
- long-sufferingly
- long suit
- long-tailed duck
- long-term
- long-term potentiation
- longtime
- long ton
- Longueuil
- longueur
- Longview
- long-waisted
- long wave
- long-winded
- long-windedly
- long-windedness