envelope

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envelope

 [en´vĕ-lōp]
1. an encompassing structure or membrane.
2. in virology, the outer lipoprotein coat of a large virus, surrounding the capsid and usually furnished, at least partially, by the host cell. Called also peplos.
3. in bacteriology, the cell wall and the plasma membrane considered together.
nuclear envelope the condensed double layer of lipids and proteins enclosing the cell nucleus and separating it from the cytoplasm; its two concentric membranes, inner and outer, are separated by a perinuclear space.

en·ve·lope

(en'vĕ-lōp), Avoid the mispronunciation ahn'vĕ-lōp.
In anatomy, a structure that encloses or covers.

envelope

(ĕn′və-lōp′, ŏn′-)
n.
Biology An enclosing structure or cover, such as a membrane or the outer coat of a virus.

en·ve·lope

(en'vĕ-lōp)
anatomy Any structure that encloses or covers.

envelope

any enclosing structure, such as a membrane or skin. In bacteria, it is the part of the cell enclosing the cytoplasm, i.e. the cytoplasmic membrane cell wall and capsule. In VIRUSES, it is the outer lipid-containing layer of some virions.

en·ve·lope

(en'vĕ-lōp)
In anatomy, a structure that encloses or covers.
References in periodicals archive ?
Instead of writing pointless letters to foreign heads of state, why do our evidently under-employed local representatives not make themselves useful by campaigning for a complete ban on non-recyclable window envelopes and tighter controls on junk mail?
Here are the results on a handful of items we buy regularly: Product Quill Staples File Folders--1/3 cut 6.29 5.99 #10 Window envelopes 21.30 22.99 #10 standard envelopes 7.49 8.29 Double window envelopes for invoices 72.90 68.99 Copier paper (5,000-sheet carton) (sale) 29.90 29.99 Reporter Notebook (12 books/pack) 20.99 19.79 Total order 158.87 156.04 In addition, freight and credit terms can be a critical decision point.
Specialty products like Dow's film for window envelopes and its adhesive films also face less offshore competition.
Pitney Bowes's research also says the appearance of the address itself affects openability: Consumers like window envelopes and directly-printed addresses, and feel address labels are a symptom of junk mail.
A spokesman said: "With immediate effect, all cards will now go out in window envelopes."
Single window and double window envelopes for these forms are also featured.
EzCheckprinting software offers customers more bang for their buck with backup and restore feature, check customization for window envelopes, and many other money saving options for customers.
Rather than a tale of two cities, this is a tale of two DM packages from the same city, Boston, both arriving in the mail on the same day, both in white 9 X 12-inch window envelopes, and both soliciting subscriptions to health newsletters.
Like the company's stock of business forms, checks, and other customizable products, PrintE-Z.com's mailing and window envelopes can also be personalized to feature company logos at no extra cost.
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