1. Having columns either at both ends or at both sides 
2. Marked by columniation having free columns in porticoes either at both ends or at both sides of a structure
   - amphiprostylar, amphiprostyle, porticoed

See also: apteral, columned

• NIV
• niveous
• Nivose
• nix
• nixie
• Nixon
• Nizhni Novgorod
• Nizhnyi Novgorod
• NJ
• Njord
• Njorth
• NLP
• NLRB
• nm
• NMR
• NNE
• NNRTI
• NNW
• no
• no ball
• no can do
• no chance
• no contest
• no dice
• no doubt