What does a lot of hand-waving mean?

What does a lot of hand-waving mean?

Hand-waving is an idiomatic metaphor, derived in part from the use of excessive gesticulation, perceived as unproductive, distracting or nervous, in communication or other effort. …

Where does hand-waving come from?

History. The waving of the hand is a nonverbal gesture that has an unclear origin but is said to have dated back to as far as the 18th century however, it was not called waving and was not used as saying “hello”, or “goodbye.” The original gesture of waving was saluting.

What does it mean when someone waves their hands?

If you wave or wave your hand, you move your hand from side to side in the air, usually in order to say hello or goodbye to someone.

What is math waving?

The mathematical equation representing the simplest wave looks like this: y = Sin(x) This equation describes how a wave would be plotted on a graph, stating that y (the value of the vertical coordinate on the graph) is a function of the sine of the number x (the horizontal coordinate).

What is a meaning of waving?

to raise your hand and move it from side to side as a way of greeting someone, telling someone to do something, or adding emphasis to an expression: I waved to/at him from the window but he didn’t see me. I was waving my hand like mad but he never once looked in my direction.

Who came up with waving?

One of the first popular permanent wave styles was the Marcel Wave, created in the Paris salon of Francois Marcel (who may have also gone by the name Marcel Grateau). In 1872 Marcel invented a way of waving the hair, almost flat against the head, that could withstand the outside elements for more than just a day.

In what country is waving hello a serious insult?

Although waving “hello” (opening the hand with your palm facing out) is one of the most common gestures in American culture, it is very offensive in Greece. In the Middle East, avoid shaking anyone’s hand of the opposite sex or giving the “thumbs up” sign to anyone you come across.

What are 4 types of waves?

Types of Waves – Mechanical, Electromagnetic, Matter Waves & Their Types.

Is waving an action?

verb (used without object), waved, wav·ing. to move freely and gently back and forth or up and down, as by the action of air currents, sea swells, etc.: The flags were waving in the wind. to curve alternately in opposite directions; have an undulating form: The road waved along the valley.

What is a handwaving argument?

Handwaving arguments often include order-of-magnitude estimates and dimensional consistency. Competent, well-intentioned researchers and professors rely on handwaving when, given a limited time, a large result must be shown and minor technical details cannot be given much attention — e.g.

What does hand-waving mean in a debate?

If the opponent in a debate or a commentator on an argument alleges hand-waving, it suggests that the proponent of the argument, position or message has engaged in one or more fallacies of logic, usually informal, and/or glossed over non-trivial details, and is attempting to wave away challenges and deflect questions, as if swatting at flies.

Is it handwaving or handwave?

Handwaving and handwave may be preferred in some circles, and are well attested. “Hand waving” is mostly used otherwise, e.g. “she had one hand waving, the other on the rail”, but is found in some dictionaries in this form. A more arch, mock-antiquarian construction is waving of [the] hands.

What is the correct spelling of hand-waving?

The spelling of the compound varies (both with regard to this idiom and the everyday human communication gesture of waving ). While hand-waving is the most common spelling of the unitary present participle and gerund in this usage, and hand-wave of the simple present verb, hand wave dominates as the noun-phrase form.