envelop 音标拼音: [ɪnv'ɛləp]
vt . 包,裹,封,包围,装入信封
包,裹,封,包围,装入信封
envelop v 1 :
enclose or enfold completely with or as if with a covering ;
"
Fog enveloped the house " [
synonym : {
envelop }, {
enfold },
{
enwrap }, {
wrap }, {
enclose }]
Envelop \
En *
vel "
op \,
v .
t . [
imp . &
p .
p . {
Enveloped };
p .
pr . &
vb .
n . {
Enveloping }.] [
OE .
envolupen ,
envolipen ,
OF .
envoluper ,
envoleper ,
F .
envelopper ;
pref .
en - (
L .
in )
voluper ,
voleper .
See {
Develop }.]
To put a covering about ;
to wrap up or in ;
to inclose within a case ,
wrapper ,
integument or the like ;
to surround entirely ;
as ,
to envelop goods or a letter ;
the fog envelops a ship .
[
1913 Webster ]
Nocturnal shades this world envelop . --
J .
Philips .
Envelope
Envelope \
En "
vel *
ope \ (?;
277 ),
Envelop \
En *
vel "
op \ (?;
277 ),
n .
[
F .
enveloppe .]
1 .
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 .
[
1913 Webster ]
2 . (
Astron .)
The nebulous covering of the head or nucleus of a comet ; --
called also {
coma }.
[
1913 Webster ]
3 . (
Fort .)
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 . --
Wilhelm .
[
1913 Webster ]
4 . (
Geom .)
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 .
4 .
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 .
[
PJC ]
{
push the envelope }
to increase the capability of some type of machine or system ; --
usually by technological development .
[
1913 Webster ]
111 Moby Thesaurus words for "
envelop ":
apparel ,
array ,
attire ,
becloud ,
bedeck ,
bedrape ,
befog ,
beleaguer ,
beset ,
besiege ,
blanket ,
blind ,
blockade ,
box ,
bundle up ,
cage ,
camouflage ,
case ,
cloak ,
close ,
clothe ,
cloud ,
compass ,
compass about ,
conceal ,
coop ,
corral ,
cover ,
cover up ,
crate ,
curtain ,
deck ,
dight ,
disguise ,
dissemble ,
distract attention from ,
drape ,
dress ,
dud ,
eclipse ,
embay ,
embosom ,
embox ,
embrace ,
encapsulate ,
encase ,
encircle ,
enclasp ,
enclose ,
enclothe ,
encompass ,
endue ,
enfold ,
engulf ,
enrobe ,
ensconce ,
enshroud ,
enswathe ,
environ ,
enwrap ,
fence ,
garb ,
garment ,
gloss over ,
go around ,
go round ,
guard ,
habilitate ,
harass ,
harry ,
hedge ,
hem ,
hide ,
immure ,
invest ,
involve ,
keep under cover ,
lap ,
lay siege to ,
mask ,
muffle up ,
obfuscate ,
obscure ,
occult ,
pack ,
package ,
pen ,
protect ,
rag out ,
raiment ,
robe ,
roll ,
screen ,
shade ,
sheathe ,
shield ,
shroud ,
shut in ,
slur over ,
smother ,
soften up ,
surround ,
swaddle ,
swathe ,
tire ,
varnish ,
veil ,
whitewash ,
wrap ,
wrap about ,
wrap up
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ENVELOP Definition Meaning - Merriam-Webster Envelop or Envelope – What’s the Difference? - Writing Explained