• Spaceship

    Origin

    space + ship

    Full definition of spaceship

    Noun

    spaceship

    (plural spaceships)
    1. A vehicle that flies through space.
    2. (cellular automata) A finite pattern that reappears after a certain number of generations in the same orientation but in a different position.
      • 2002, Richard Nowakowski, More Games of No Chance (page 433)We describe software that searches for spaceships in Conway's Game of Life and related two-dimensional cellular automata.
      • 2010, Andrew Adamatzky, Game of Life Cellular Automata (page 126)Synthesis of spaceship flotillas is even more complicated than synthesis of oscillators, since spaceships are like oscillators that move...
    3. (computing, programming) The operator <=> in the Perl programming language, which compares two values and indicates whether the first is lesser than, greater than, or equal to the second.
      • 2012, Randal Schwartz, ‎Brian Foy, ‎Tom Phoenix, Intermediate Perl (page 142)If we reverse the positions of $a and
    $b, the spaceship will sort in the opposite order...

    Synonyms

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