1. One part in five equal parts
   - one-fifth, fifth, fifth part

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

Encyclopedia: Twenty percent

• subrogation
• subroutine
• subroutine library
• subscribe
• subscribe to
• subscribed
• subscriber
• subscriber line
• subscript
• subscription
• subscription right
• subscription warrant
• subsection
• subsequence
• subsequent
• subsequently
• subsequentness
• subserve
• subservience
• subservient
• subserviently
• subservientness
• subset
• subshrub
• subside