Envelope vs. Letter
Envelopenoun
A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
Envelopenoun
Something that envelops; a wrapping.
Envelopenoun
A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
Envelopenoun
(geometry) A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
Envelopenoun
(electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
Envelopenoun
(music) The shape of a sound, which may be controlled by a synthesizer or sampler.
Envelopenoun
(computing) The information used for routing a message that is transmitted with the message but not part of its contents.
Envelopenoun
(biology) An enclosing structure or cover, such as a membrane; a space between two membranes
Envelopenoun
(engineering) The set of limitations within which a technological system can perform safely and effectively.
Envelopenoun
(astronomy) The nebulous covering of the head or nucleus of a comet; a coma.
Envelopenoun
An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.
Envelopeverb
(nonstandard) lang=en
Envelopenoun
That which envelops, wraps up, encases, or surrounds; a wrapper; an inclosing cover; esp., the cover or wrapper of a document, as of a letter.
Envelopenoun
The nebulous covering of the head or nucleus of a comet; - called also coma.
Envelopenoun
A work of earth, in the form of a single parapet or of a small rampart. It is sometimes raised in the ditch and sometimes beyond it.
Envelopenoun
A curve or surface which is tangent to each member of a system of curves or surfaces, the form and position of the members of the system being allowed to vary according to some continuous law. Thus, any curve is the envelope of its tangents.
Envelopenoun
A set of limits for the performance capabilities of some type of machine, originally used to refer to aircraft; - it is often described graphically as a two-dimensional graph of a function showing the maximum of one performance variable as a function of another. Now it is also used metaphorically to refer to capabilities of any system in general, including human organizations, esp. in the phrase push the envelope. It is used to refer to the maximum performance available at the current state of the technology, and therefore refers to a class of machines in general, not a specific machine.
Envelopenoun
a flat rectangular paper container for papers
Envelopenoun
any wrapper or covering
Envelopenoun
a curve that is tangent to each of a family of curves
Envelopenoun
a natural covering (as by a fluid);
Envelopenoun
the maximum operating capability of a system;
Envelopenoun
the bag containing the gas in a balloon
Envelopenoun
a flat paper container with a sealable flap, used to enclose a letter or document.
Envelopenoun
a covering or containing structure or layer
Envelopenoun
the outer metal or glass housing of a vacuum tube, electric light, etc.
Envelopenoun
the structure within a balloon or non-rigid airship containing the gas.
Envelopenoun
a membrane which forms the outer layer of certain viruses.
Envelopenoun
a curve joining the successive peaks of a modulated wave.
Envelopenoun
a curve or surface tangent to each of a family of curves or surfaces.
Envelope
An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter or card.
Letternoun
A symbol in an alphabet.
Letternoun
A written or printed communication, generally longer and more formal than a note.
Letternoun
The literal meaning of something, as distinguished from its intended and remoter meaning (often contrasted with the spirit).
Letternoun
Literature.
Letternoun
(law) A division unit of a piece of law marked by a letter of the alphabet.
Letternoun
A size of paper, 8½ in × 11 in (215.9 mm × 279.4 mm, US paper sizes rounded to the nearest 5 mm).
Letternoun
A size of paper, 215 mm × 280 mm.
Letternoun
clipping of varsity letter
Letternoun
A single type; type, collectively; a style of type.
Letternoun
One who lets, or lets out.
Letternoun
(archaic) One who retards or hinders.
Letterverb
(transitive) To print, inscribe, or paint letters on something.
Letterverb
To earn a varsity letter (award).
Letternoun
One who lets or permits; one who lets anything for hire.
Letternoun
One who retards or hinders.
Letternoun
A mark or character used as the representative of a sound, or of an articulation of the human organs of speech; a first element of written language.
Letternoun
A written or printed communication; a message expressed in intelligible characters on something adapted to conveyance, as paper, parchment, etc.; an epistle.
Letternoun
A writing; an inscription.
Letternoun
Verbal expression; literal statement or meaning; exact signification or requirement.
Letternoun
A single type; type, collectively; a style of type.
Letternoun
Learning; erudition; as, a man of letters.
Letternoun
A letter; an epistle.
Letternoun
A telegram longer than an ordinary message sent at rates lower than the standard message rate in consideration of its being sent and delivered subject to priority in service of regular messages. Such telegrams are called by the Western Union Company day letters, or night letters according to the time of sending, and by The Postal Telegraph Company day lettergrams, or night lettergrams.
Letterverb
To impress with letters; to mark with letters or words; as, a book gilt and lettered.
Letternoun
a written message addressed to a person or organization;
Letternoun
the conventional characters of the alphabet used to represent speech;
Letternoun
a strictly literal interpretation (as distinct from the intention);
Letternoun
an award earned by participation in a school sport;
Letternoun
owner who lets another person use something (housing usually) for hire
Letterverb
win an athletic letter
Letterverb
set down or print with letters
Letterverb
mark letters on or mark with letters
Letternoun
a character representing one or more of the sounds used in speech; any of the symbols of an alphabet
Letternoun
the initials of a degree or other qualification
Letternoun
a school or college initial as a mark of proficiency, especially in sport
Letternoun
a written, typed, or printed communication, sent in an envelope by post or messenger
Letternoun
a legal or formal document.
Letternoun
the precise terms of a statement or requirement; the strict verbal interpretation
Letternoun
literature
Letternoun
scholarly knowledge; erudition.
Letternoun
a style of typeface.
Letterverb
inscribe letters or writing on
Letterverb
classify with letters
Letterverb
be given a school or college initial as a mark of proficiency in sport
Envelope Illustrations
