1. Being one more than ninety
   - ninety-one, xci

See also: cardinal

Encyclopedia: 91

• onycha
• Onychium
• Onychogalea
• onycholysis
• Onychomys
• Onychophora
• onychophoran
• onychosis
• onymous
• onyx
• onyx marble
• onyxis
• oocyte
• oodles
• oogenesis
• ooh
• oolite
• oology
• oolong
• Oom Paul Kruger
• oomph
• Oomycetes
• oooh
• oophorectomy
• oophoritis