1. Coming next after the seventh and just before the ninth in position
   - 8th

1. Position eight in a countable series of things 
2. One part in eight equal parts
   - one-eighth

Derived forms: eighths

See also: ordinal

Type of: common fraction, rank, simple fraction, vulgar fraction [Brit]

Encyclopedia: Eighth

• fibreglass
• fibreoptic
• fibreoptics
• fibrescope
• fibril
• fibrillar
• fibrillate
• fibrillation
• fibrillose
• fibrin
• fibrinase
• fibrinogen
• fibrinolysin
• fibrinolysis
• fibrinopeptide
• fibrinous
• fibro
• fibroadenoma
• fibroblast
• fibrocalcific
• fibrocartilage
• fibrocartilaginous
• fibrocystic breast disease
• fibrocystic disease of the breast
• fibrocystic disease of the pancreas