1. Coming next after the tenth and just before the twelfth in position
   - eleventh

See also: ordinal

Encyclopedia: 11th

• octal
• octal digit
• octal notation
• octal number system
• octal numeration system
• octameter
• octane
• octane number
• octane rating
• octanedioic acid
• octangular
• Octans
• octant
• octave
• Octavian
• octavo
• octennial
• octet
• octette
• octillion
• octo-
• October
• October 12
• October 24
• October Revolution