overhead [ 'əuvəhedz ]

• n.
  • the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes

    同义词： operating expense operating cost budget items

  • (computer science) the processing time required by a device prior to the execution of a command

    同义词： command processing overhead time command processing overhead command overhead

  • (computer science) the disk space required for information that is not data but is used for location and timing

    同义词： disk overhead

  • a transparency for use with an overhead projector

    同义词： viewgraph

  • (nautical) the top surface of an enclosed space on a ship
  • a hard return hitting the tennis ball above your head

    同义词： smash

• adj. located or originating from above

  "an overhead crossing"

• adv.
  • above your head; in the sky

    "planes were flying overhead"

  • above the head; over the head

    "bring the legs together overhead"

以上来源于: WordNet