Envelope
101Common envelope — The red giant (red, left) fills its Roche lobe (dashed green line) and begins transferring mass to the main sequence star (yellow, right). As the mass transfer accelerates, the core of the massive star (gray) and the main sequence star become… …
102Electronic envelope — An electronic envelope or e envelope is almost like a postal Envelope in function. Where a paper Envelope privately encloses its contents like a mail message, so an Electronic envelope privately encloses its contents like an e mail message.… …
103Flight envelope — diagram. In aerodynamics, the flight envelope or performance envelope of an aircraft refers to the capabilities of a design in terms of airspeed and load factor or altitude.[1][2 …
104Red envelope — For the film production/distribution company, see Red Envelope Entertainment. For the cabaret, see Red Envelope Club. Red envelope Assorted examples of contemporary red envelopes Chinese name Traditional Chinese …
105Windowed envelope — US Patent 701,839 for a windowed envelope …
106push the envelope — phrasal : to test or attempt to move beyond an accepted limit * * * push the envelope (informal) To try to achieve more than seems possible • • • Main Entry: ↑envelop * * * push the envelope informal phrase to go to the limits of what you are… …
107Building envelope — A building envelope is the separation between the interior and the exterior environments of a building. It serves as the outer shell to protect the indoor environment as well as to facilitate its climate control. Building envelope design is a… …
108Nuclear envelope — Human cell nucleus A nuclear envelope (NE) (also known as the perinuclear envelope, nuclear membrane, nucleolemma or karyotheca) is a double lipid bilayer that encloses the genetic material in eukaryotic cells. The nuclear envelope also serves as …
109Back-of-the-envelope calculation — The phrase back of the envelope calculations refers to rough calculations that, while not rigorous, test or support a point. They are far more than a guess but far less than a proof. The phrase is generally used in mathematics, physics and… …
110Variable envelope return path — (VERP) is a technique used by some electronic mailing list software to enable automatic detection and removal of undeliverable e mail addresses. It works by using a different return path (also called envelope sender ) for each recipient of a… …
