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Handwave vs Null - What's the difference?

handwave | null |

As nouns the difference between handwave and null

is that handwave is (literally) the wave produced by a hand while null is zero, nil; the cardinal number before einn.

As a verb handwave

is (rhetoric|academia) to explain something superficially, skipping over important details, perhaps appealing to intuition instead.

handwave

English

Noun

(en noun)
  • (literally) The wave produced by a hand.
  • * 1871 , Archibald Forbes, My Experiences of the War Between France and Germany , Volume II, 2005 facsimile edition, Adamant Media Corporation, page 354,
  • The leader, an upright, broad-shouldered old man, with snow-white hair, half halts his horse with a handwave of salutation, as he reaches the Imperial Crown Prince, then gallops on with the latter hanging close on his flank.
  • * 1991 , Robert Barnard, A Scandal in Belgravia , page 213,
  • "In fact I tell this mob"— he gave a derogatory handwave in the direction of the ten or twelve pairs of eyes that were still intent on us—"that I was the original of these Pappa-whatsits."
    "Papparazzi."
  • A glib statement or explanation that glosses over important details.
  • * 2008 , Hyman P. Minsky, Stabilizing an Unstable Economy , page 285,
  • In this glib handwave by Friedman, the real results are determined independently of money and financing phenomena; given the way monetarists set up the analysis, the rate of growth of money can only affect the behavior of the price level.

    Verb

  • (rhetoric, academia) To explain something superficially, skipping over important details, perhaps appealing to intuition instead.
  • * 2001 , Stephanie Frank Singer, Symmetry in Mechanics: A Gentle, Modern Introduction , page 33,
  • Some readers may wish to handwave this restriction away, thinking of \tfrac{\partial}{\partial\rho} as a differentiable vector field on \mathbb{R}^2 that behaves badly at the origin; this approach will suffice for the purposes of this book.

    See also

    * fudge (verb) * handwavy * wave of the hand

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • Something that has no force or meaning.
  • (computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  • (computing) the attribute of an entity that has no valid value.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.
  • absent or non-existent
  • (mathematics) of the null set
  • (mathematics) of or comprising a value of precisely zero
  • (genetics, of a mutation) causing a complete loss of gene function, amorphic.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----