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a line that marks the start of a race.
Track and Field. a line that a competitor is not allowed to step over while performing in certain events, as the triple jump or javelin throw.


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  • Scratch monkey

    humour As in “Before testing or reconfiguring, always mount a scratch monkey”, a proverb used to advise caution when dealing with irreplaceable data or devices. Used to refer to any scratch volume hooked to a computer during any risky operation as a replacement for some precious resource or data that might otherwise get trashed. This […]

  • Scratch-off

    adjective designating a card, ticket, etc. with a coating that when scratched reveals writing, numbers, scent, etc. Examples The scratch-off card is used for lottery games, quizzes, and to conceal PINs for telephone calling cards and other prepaid services. noun See scratch-off Word Origin 1964 Usage Note also scratch-off , (n.)

  • Scratch-pad

    noun 1. a pad of paper used for jotting down ideas, informal notes, preliminary writing, etc. noun 1. (mainly US & Canadian) a notebook, esp one with detachable leaves 2. (computing) a small semiconductor memory for temporary storage

  • Scratchpad i

    language A general-purpose language originally for interactive symbolic mathematics by Richard Jenks, Barry Trager, Stephen M. Watt and Robert S. Sutor of IBM Research, ca 1971. It features abstract parametrised data types, multiple inheritance and polymorphism. There were implementations for VM/CMS and AIX. [“Scratchpad User’s Manual”, RA 70, IBM (June 1975)]. (1994-12-15)

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