Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to quanta, quantum mechanics, or a quantized system.
  • adjective Existing in only one of two possible states.
  • adjective Biology Of or designating an all-or-none response or effect.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective physics Of or pertaining to a quantum
  • adjective physics quantized
  • adjective biology Describing a response that is all-or-none

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of or relating to a quantum or capable of existing in only one of two states

Etymologies

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Examples

  • A slight aside, my reading of Booksellers and Publishers Weeklies is like a nerve impulse: in quantal packets.

    Mr Quercus interviewed Maxine 2007

  • A slight aside, my reading of Booksellers and Publishers Weeklies is like a nerve impulse: in quantal packets.

    Mr Quercus interviewed Maxine 2007

  • A slight aside, my reading of Booksellers and Publishers Weeklies is like a nerve impulse: in quantal packets.

    May 2007 Maxine 2007

  • The quantal theory of how the immune system discriminates between “self and non-self” ..

    Assessing Applegate's Attack 2010

  • Pingback by The quantal theory of how the immune system discriminates between “self and non-self” ..

    Assessing Applegate's Attack 2010

  • Conversely, it is argued, if such permutations are not counted in quantum statistics, it follows that quantal particles cannot be regarded as individuals in any of these senses (Post 1963).

    Identity and Individuality in Quantum Theory French, Steven 2006

  • ˜Urelemente™: m-atoms, whose intended interpretation are the quantal objects and M-atoms, which stand for the

    Identity and Individuality in Quantum Theory French, Steven 2006

  • In other words, quantal objects are very different from most everyday objects in that they are ˜non-individuals™, in some sense.

    Identity and Individuality in Quantum Theory French, Steven 2006

  • These packages support dramatically different world-views: one in which quantal particles are individuals and one in which they are not.

    Identity and Individuality in Quantum Theory French, Steven 2006

  • One can readily imagine a set of tiny but sudden indeed, instantaneous leaps of energy, where those leaps of energy would be, in your phrase, tiny but sudden, but would certainly not be quantal since any degree of shift in energy along a continuum might occur.

    No Uncertain Terms William Safire 2003

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