1. One billionth 10^(-9); more generally, very small

Encyclopedia: Nano-

• Notornis mantelli
• Notoryctidae
• Notoryctus
• Notoryctus typhlops
• Notostraca
• Notropis
• Notropis atherinoides
• Notropis cornutus
• Nottinghamshire
• notturno
• notwithstanding
• Nouakchott
• nougat
• nougat bar
• nought
• noughts and crosses
• noumenal
• noumenon
• noun
• noun phrase
• nounal
• nourish
• nourished
• nourishing
• nourishment