handwaver

noun — 2 senses

handwaver

noun

Etymology By surface analysis, handwave + -er, or, by surface analysis, hand + waver.

› Someone who engages in handwaving.

1

Uncommon One who speaks or writes sweepingly, glossing over details, often including important details.

  • Take his predictions about our technological and business-development timelines with a grain of salt, because he's an inveterate handwaver.
  • It is easy to lose sight of the fact that the oversimplified model that is eddy diffusion must be used with care and with a great deal of auxiliary physical insight. Well-educated handwavers often produce more useful results than the people who concentrate on the mathematical and computational aspects of the problem. The ideal is a suitable combination of the two. One way to become well-educated is to study various limiting cases that can be solved analytically. Indeed, these solutions can take us surprisingly far into many problems, sometimes rivalling what can be done with a computer. The substance of this article is a summary of the available solutions, and a critical compilation of eddy coefficients for the atmospheres of the Earth and a few other objects.1975, Donald M. Hunten, “Vertical transport in atmospheres”, in B.M. McCormac, editor, Atmospheres of Earth and the Planets: Proceedings of the Summer Advanced Study Institute, Held at the University of Liège, Belgium, July 29―August 9, 1974 (Astrophysics and Space Science Library), volume 51: Proceedings, D. Reidel, →DOI, →ISBN, page 59:
1 more example
  • It is quite inconceivable that any handwaver could ever have dreamt up the use of a pendulum to measure dissolved carbon concentrations!1995, Institute of Physics, editors, Twentieth Century Physics, 2nd edition, volume 3, CRC Press, →ISBN, page 1523:
2

Uncommon One who raises their hand a lot.

  • A gifted pupil might sometimes need to be coached privately about avoiding presenting themself as a handwaver.
  • The very intelligent pupil soon becomes bored by the repetition and sits aloof and inattentive, or he becomes a "handwaver" and thus draws upon himself unwarranted and sometimes open rebuke by his classmates.1954, Henry J. Warman, Geography: Backgrounds, Techniques, and Prospects [teaching manual], Worcester, Massachusetts, USA: Edwards Brothers, page 55:
Related terms
handwave, handwavium, handwavy, wave away, wave of the hand

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.