different between shield vs envelope

English

Pronunciation

• IPA^(key): /?i?ld/
• Rhymes: -i?ld

Etymology 1

From Middle English scheld, shelde, from Old English scield (“shield”), from Proto-West Germanic *skeldu, from Proto-Germanic *skelduz (“shield”), from Proto-Indo-European *(s)kelH- (“cut, split”). Cognate with West Frisian skyld, Dutch schild (“shield”), German Schild (“shield”), Danish skjold (“shield”), Icelandic skjöldur (“shield”) and Faroese skjøldur (“shield”)

Compare Latin sc?tum (“shield”), Irish sciath (“shield”), Latgalian šk?da (“shield”), Lithuanian skydas (“shield”), Russian ??? (š?it, “shield”), from Proto-Indo-European *(s)kewH- (“to cover, protect”), *skey- (“to cut, split”).

Noun

shield (plural shields)

1. Anything that protects or defends; defense; shelter; protection.
   1. A broad piece of defensive armor, held in hand, formerly in general use in war, for the protection of the body.
   2. (figuratively) One who protects or defends.
   3. (lichenology) In lichens, a hardened cup or disk surrounded by a rim and containing the fructification, or asci.
   4. (mining, tunnelling) A framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses.
   5. (science fiction) A field of energy that protects or defends.
2. A shape like that of a shield; usually, an inverted triangle with sides that curve inward to form a pointed bottom, commonly used for police identifications and company logos.
   1. (heraldry) The escutcheon or field on which are placed the bearings in coats of arms.
   2. (Scotland, euphemistic, obsolete) A toilet seat.
   3. A spot resembling, or having the form of a shield.
   4. (obsolete) A coin, the old French crown, or écu, having on one side the figure of a shield.
   5. (transport) A sign or symbol, usually containing numbers and sometimes letters, identifying a highway route.
   6. (colloquial, law enforcement) A police badge.
3. (geology) A large expanse of exposed stable Precambrian rock.
   1. (geology) A wide and relatively low-profiled volcano, usually composed entirely of lava flows.
4. (figuratively, Scotland, euphemistic, obsolete) A place with a toilet seat: an outhouse; a lavatory.
5. (automotive, British) Parts at the front and back of a vehicle which are meant to absorb the impact of a collision

Synonyms

• (place with a toilet seat): See Thesaurus:bathroom

Hyponyms

Derived terms

• bitch shield
• rape shield
• shield medick (Medicago scutellata)
• shield wall

Translations

Etymology 2

From Middle English shelden, from Old English scildan.

Verb

shield (third-person singular simple present shields, present participle shielding, simple past and past participle shielded)

1. To protect, to defend.
2. (Britain, intransitive) This term needs a definition. Please help out and add a definition, then remove the text {{rfdef}}.

3. (electricity) to protect from the influence of

Derived terms

• beshield

Translations

Anagrams

• Diehls, delish, hidels, hidles, hields, ledish, sheild

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