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Noun: machine-hour
  1. A unit representing the operation of one machine for 1 hour; used in the determination of costs and economics.
    "This engine right here has put a lot of machine-hours."

Type of: unit, unit of measurement

Nearest

machine screw
machine shop
machine stitch
machine tool
machine translation
machine wash
machine-accessible
machine-controlled
machine-displayable text
machine-driven
machine-hour
machinelike
machine-made
machine-oriented language
machine-readable text
machinery
machine-wash
machining center
machining centre
machinist
machinist's vise