Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. That cannot undergo precise evaluation: imponderable problems.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not ponderable; without sensible or appreciable weight; incapable of being weighed.
  • n. An imponderable substance or body; specifically, in the plural, a name formerly applied to heat, light, electricity, and magnetism.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not ponderable; without sensible or appreciable weight; incapable of being weighed.
  • n. An imponderable substance or body; specifically, in the plural, a name formerly applied to heat, light, electricity, and magnetism, regarded as subtile fluids destitute of weight but in modern science little used.

from The Century Dictionary and Cyclopedia

  • Not ponderable; not capable of being weighed; without gravity.
  • n. In physics, a thing which has no weight: a term formerly applied to heat, light, electricity, and magnetism, on the supposition that they were material substances, and still used of the hypothetical universal medium, ether.

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

  • n. a factor whose effects cannot be accurately assessed
  • adj. difficult or impossible to evaluate with precision

Etymologies

Sorry, no etymologies found.

Examples

Comments

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  • "In physics, a thing which has no weight: a term formerly applied to heat, light, electricity, and magnetism, on the supposition that they were material substances, and still used of the hypothetical universal medium, ether."
    --Cent. Dict.

    October 23, 2012