different between envelope vs umbelap

English

Etymology 1

From French enveloppe.

Pronunciation

• (Received Pronunciation) IPA^(key): /??n.v?.l??p/, /??n.v?.l??p/
• (General American) enPR: än?v?l?p', ?n?v?l?p'; IPA^(key): /??n.v??lo?p/, /??n.v??lo?p/

Noun

envelope (plural envelopes)

1. A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
2. Something that envelops; a wrapping.
3. A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
4. (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.
5. (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
6. (music) The shape of a sound, which may be controlled by a synthesizer or sampler.
7. (computing) The information used for routing a message that is transmitted with the message but not part of its contents.
8. (biology) An enclosing structure or cover, such as a membrane; a space between two membranes
9. (engineering) The set of limitations within which a technological system can perform safely and effectively.
10. (astronomy) The nebulous covering of the head or nucleus of a comet; a coma.
11. An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.

    (Can we find and add a quotation of Wilhelm to this entry?)

Synonyms

• (something that envelops): wrapper
• (bag containing the lifting gas): gasbag

Derived terms

Translations

See also

• Wikipedia article on envelopes used for mailing
• Wikipedia article on envelopes in geometry

Etymology 2

See envelop.

Pronunciation

• enPR: ?n-v?l'?p, IPA^(key): /?n?v?l?p/
• for audio, see envelop

Verb

envelope (third-person singular simple present envelopes, present participle enveloping, simple past and past participle enveloped)

1. Archaic form of envelop.
   • 1877, James Booth, A Treatise on Some New Geometrical Methods (page 209)

     Again, if the plane of the impressed couple intersects the mean plane between N and C, it will envelope the cone whose focals are ON, ON?, and whose internal axis is therefore OA.

Portuguese

Etymology

From French enveloppe, from envelopper.

Pronunciation

• (Portugal) IPA^(key): /?.v?.?l?.p?/
• (Brazil) IPA^(key): /?.ve.?l?.pi/
• Hyphenation: en?ve?lo?pe

Noun

envelope m (plural envelopes)

1. envelope

English

Alternative forms

• umbelappe (obsolete)

Etymology

From Middle English umbelappen (“to wrap around”), equivalent to umbe- +? lap (“to fold, wrap”) or um- +? belap.

Pronunciation

• IPA^(key): /??mb??læp/

Verb

umbelap (third-person singular simple present umbelaps, present participle umbelapping, simple past and past participle umbelapped)

1. (transitive, archaic) To surround; envelope; enshroud.
   • 1835, Gentleman's magazine and historical chronicle: Volume 3:

     Thus am I wrapped And in woe umbelapped, Such love hath me trapped, Without any cure.

   • 1914, Richard Rolle (of Hampole), Frances Margaret Mary Comper, Richard Misyn, The fire of love:

     And therefore God's wrath is shed on them and righteous vengeance, with great fierceness of umbelapping torments.

   • 1917, Frances M. M. Comper, George Congreve, William Caxton, The book of the craft of dying:

     That is: the waymenting of death hath umbelapped me, and the sorrows of hell have environed me.

Synonyms

• enwrap

Related terms

• belap
• lap