Envelope vs. Nebulous

Difference Between Envelope and Nebulous
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
lacking definite form or limits;
gropes among cloudy issues toward a feeble conclusionnebulous distinction between pride and conceitEnvelopenoun
(electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
Nebulousadjective
lacking definition or definite content;
nebulous reasonsunfixed as were her general notions of what men ought to beEnvelopenoun
(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
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 cometEnvelopenoun
the maximum operating capability of a system;
test pilots try to push the envelopeEnvelopenoun
the bag containing the gas in a balloon