VS.

Envelope vs. Nebulous

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Envelopenoun

A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

Nebulousadjective

In the form of a cloud or haze; hazy.

Envelopenoun

Something that envelops; a wrapping.

Nebulousadjective

Vague or ill-defined.

Envelopenoun

A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.

Nebulousadjective

Relating to a nebula or nebulae.

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.

Nebulousadjective

Cloudy; hazy; misty.

Envelopenoun

(electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.

Nebulousadjective

Of, pertaining to, or having the appearance of, a nebula; nebular; cloudlike.

Envelopenoun

(music) The shape of a sound, which may be controlled by a synthesizer or sampler.

Nebulousadjective

lacking definite form or limits;

‘gropes among cloudy issues toward a feeble conclusion’; ‘nebulous distinction between pride and conceit’;

Envelopenoun

(computing) The information used for routing a message that is transmitted with the message but not part of its contents.

Nebulousadjective

lacking definition or definite content;

‘nebulous reasons’; ‘unfixed as were her general notions of what men ought to be’;

Envelopenoun

(biology) An enclosing structure or cover, such as a membrane; a space between two membranes

Nebulousadjective

in the form of a cloud or haze; hazy

‘a giant nebulous glow’;

Envelopenoun

(engineering) The set of limitations within which a technological system can perform safely and effectively.

Nebulousadjective

another term for nebular

Envelopenoun

(astronomy) The nebulous covering of the head or nucleus of a comet; a coma.

Nebulousadjective

(of a concept) vague or ill-defined

‘nebulous concepts like quality of life’;

Envelopenoun

An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.

Nebulous

Nebulous is a post-apocalyptic science fiction comedy radio show written by Graham Duff and produced by Ted Dowd from Baby Cow Productions; it is directed by Nicholas Briggs. The series premiered in the United Kingdom on BBC Radio 4.

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);

‘the spacecraft detected an envelope of gas around the comet’;

Envelopenoun

the maximum operating capability of a system;

‘test pilots try to push the envelope’;

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

‘the external envelope of the swimming pool’;

Envelopenoun

the outer metal or glass housing of a vacuum tube, electric light, etc.

‘the switch itself is a glass envelope filled with rare gases and containing two contacts’;

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.

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