envelope


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back-of-the-envelope calculation

A calculation or mathematical formulation that is approximated in a quick, informal, and rough manner, as might be sketched out on a scrap of paper (such as the back of an envelope). When it came time to pay the bill, we had to do some back-of-the-envelope calculations to figure out who owed how much.

the opening of an envelope

Any event, celebration, or ceremony, no matter how trivial or unremarkable, that one attends purely for the sake of visibility. Often said in relation to celebrities or media personalities who make a point of attending anything that will give them more public exposure. In a bid to cultivate a media buzz around herself, the Internet sensation has been to the openings of films, book launches, and celebrity galas. With the way she carries on, she'd even go to the opening of an envelope!
See also: envelope, of, opening

envelop (oneself, someone, or something) in (something)

To wrap oneself, someone, or something in something. As soon as I got in from the cold, I enveloped myself in a blanket and sat in front of the fire. The snowstorm enveloped our area even faster than predicted with white-out conditions.
See also: envelop

push the envelope

To expand on, exceed, or test the limits of the established norm or standard. The company is renowned for pushing the envelope whenever they develop a new piece of technology. If you want to make a name for yourself in the art world, then you can't be afraid of pushing the envelope. It's a natural stage for most teenagers to push the envelope of their parents' rules.
See also: envelope, push

on the back of an envelope

Calculated, prepared, or drafted in an overly quick, informal, or rough manner, as might be scribbled on a scrap of paper (such as the back of an envelope). It seems clear that they devised this legislation on the back of an envelope. Now, don't come up with these figures on the back of an envelope—I want you to be thorough and double check each sum and calculation.
See also: back, envelope, of, on

push the envelope

Fig. to expand the definition, categorization, dimensions, or perimeters of something. The engineers wanted to completely redesign the product, but couldn't push the envelope because of a very restricted budget.
See also: envelope, push

push the envelope

Exceed the limits of what is normally done, be innovative, as in They are pushing the envelope in using only new fabrics for winter clothing. This idiom comes from aviation, the envelope alluding to the technical limits of a plane's performance, which, on a graph, appear as a rising slope as limits of speed and stress are approached and falls off when the capacity is exceeded and the pilot loses control; safety lies within these limits, or envelope, and exceeding them exposes pilot and plane to risk. [Slang; late 1960s]
See also: envelope, push

on the back of an envelope

If a piece of work was written or planned on the back of an envelope, it was prepared too quickly, with little thought or care. These proposals were sketched out on the back of an envelope. The screenplay sounds as if it's been written on the back of an envelope. Note: You can also talk about a back-of-an-envelope calculation or account to talk about something that is not accurate. According to his back-of-an-envelope calculation, a solar square of mirrors of this size would provide enough energy to supply the whole state.
See also: back, envelope, of, on

push the envelope

If you push the envelope, you do something to a greater degree or in a more extreme way than it has been done before. We have to keep pushing the envelope, trying new technologies and developing better methods. There's a valuable place for fashion and design that pushes the envelope a bit. Note: Rather than referring to stationery, the sense of envelope here is probably the one used to refer to the shape of a wave in electronics or a curve in mathematics. Pushing or stretching the envelope suggests changing the properties of the wave or curve.
See also: envelope, push

push the envelope (or the edge of the envelope)

approach or extend the limits of what is possible. informal
This expression was originally aviation slang and related to graphs of aerodynamic performance on which the envelope is the boundary line representing an aircraft's capabilities.
1993 Albuquerque These are extremely witty and clever stories that consistently push the envelope of TV comedy.
See also: envelope, push

push the ˈenvelope

do something in an extreme way in order to find out to what degree something is possible: Advertisements seem to be pushing the envelope of taste every day.People these days like to push the envelope with extreme sports. ▶ ˈenvelope-pushing noun, adj.: envelope-pushing technologyThis expression comes from the aeroplane industry. A plane’s envelope was the limit of its performance. Test pilots would need to push (the edge of) the envelope to see what the plane could and could not do.
See also: envelope, push

push the envelope

To exceed or try to exceed the existing limits of a discipline or activity.
See also: envelope, push
References in classic literature ?
Giry took the envelope with the twenty notes inside it and made for the door.
I go behind you and slip the envelope into the tail-pocket of your dress-coat.
Because I spent that evening watching Box Five and the sham envelope which you put there.
No, sir, and I did not give you the envelope that evening, but at the next performance.
Richard and, so nimbly that Moncharmin himself was impressed by it, slipped the envelope into the pocket of one of the tails of M.
That the direction about the drawer, the colour of ink, the colour of envelope, should none of them be right by accident, that can't be a coincidence.
Once you've done your shopping, place your receipt/receipts (or photocopies) from as little as pounds 1 up to a value of pounds 500 into the envelope.
Does your envelope vie for attention or does it just lie there looking like one more piece of mail from a law firm or bank?
There were no stringent postal regulations governing how much of an envelope could be decorated as there are today.
CAMP 1 (insecurity): Custom convert the envelope, load it up with color from edge to edge, and scream.
ERMASOFT Laser Envelope is a program that automates the process, grabbing names and addresses offa computer screen and formatting them to fit exactly where they should on any size envelope or label.
In 1983, his father, Abe Rodolitz, a Queens developer who built the property himself 20 years earlier, had agreed to sell a 200,000-square-foot Maspeth building to Arthur Rogers of the Exclusive Envelope Corporation for $3.
Each Tyvek business envelope is made of rip- and puncture-resistant material that is two times as strong as normal paper and also more water resistant.