1. A book to which you can refer for authoritative facts
   - reference book, reference, reference work

Derived forms: books of facts

Type of: book

• Niels Henrik David Bohr
• Nielsen
• Niemann-Pick disease
• nierembergia
• Nierembergia frutescens
• Nierembergia repens
• Nierembergia rivularis
• Nietzsche
• nifedipine
• niff
• niffy
• nifty
• nigella
• Nigella damascena
• Nigella hispanica
• Nigella sativa
• Niger
• Niger franc
• Niger River
• Niger-Congo
• Niger-Kordofanian
• Niger-Kordofanian language
• Nigeria
• Nigerian
• Nigerian capital