atomic
Pronunciation
  • (Australia) enPR: əˈtŏm.ĭk, IPA: /əˈtɔm.ɪk/
  • (RP) enPR: əˈtŏm.ĭk, IPA: /əˈtɒm.ɪk/
  • (America) enPR: əˈtä.mĭk, IPA: /əˈtɑː.mɪk/
Adjective

atomic (not comparable)

  1. (physics, chemistry) Of or relating to atoms; composed of atoms; monatomic.
    Antonyms: molecular
    A stream of atomic hydrogen is emitted.
  2. Employing or relating to nuclear energy or processes.
    We built a small atomic bomb in the garage.
    • 1955, David J. Dallin, Soviet Espionage (page 495)
      Before the atomic spy Allan Nunn May left Canada to go to London, a treff in London had to be arranged for him and another agent.
  3. Infinitesimally small.
    The hairs on a bedbug are almost atomic.
  4. Unable to be split or made any smaller.
    A bit is an atomic item of data.
  5. (computing) Of an operation: guaranteed to complete either fully or not at all while waiting in a pause, and running synchronously when called by multiple asynchronous threads.
    In order to avoid race conditions, this operation has to be atomic.
    Whenever possible, use atomic types instead of mutexes.
    • 2006, Tim Peierls, Brian Goetz, Joshua Bloch, Joseph Bowbeer, Doug Lea, David Holmes, Java Concurrency in Practice, Pearson Education (ISBN 9780132702256), page 325:
      It also provides an atomic compareAndSet method (which if successful has the memory effects of both reading and writing a volatile variable) and, for convenience, atomic add, increment, and decrement methods.
Translations Translations Translations Translations Translations Noun

atomic (plural atomics)

  1. (computing) An atomic operation.



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