portal 音标拼音: [p'ɔrtəl]
n . 入口,大门
a . 门的
入口,大门门的
portal n 1 :
a grand and imposing entrance (
often extended metaphorically ); "
the portals of the cathedral "; "
the portals of heaven "; "
the portals of success "
2 :
a site that the owner positions as an entrance to other sites on the internet ; "
a portal typically has search engines and free email and chat rooms etc ." [
synonym : {
portal site },
{
portal }]
3 :
a short vein that carries blood into the liver [
synonym : {
portal vein }, {
hepatic portal vein }, {
portal }, {
vena portae }]
Portal \
Por "
tal \,
a . (
Anat .)
Of or pertaining to a porta ,
especially the porta of the liver ;
as ,
the portal vein ,
which enters the liver at the porta ,
and divides into capillaries after the manner of an artery .
[
1913 Webster ]
Note :
Portal is applied to other veins which break up into capillaries ;
as ,
the renal portal veins in the frog .
[
1913 Webster ]
Portal \
Por "
tal \,
n . [
OF .
portal ,
F .
portail ,
LL .
portale ,
fr .
L .
porta a gate .
See {
Port }
a gate .]
1 .
A door or gate ;
hence ,
a way of entrance or exit ,
especially one that is grand and imposing .
[
1913 Webster ]
Thick with sparkling orient gems The portal shone . --
Milton .
[
1913 Webster ]
From out the fiery portal of the east . --
Shak .
[
1913 Webster ]
2 . (
Arch .)
(
a )
The lesser gate ,
where there are two of different dimensions .
(
b )
Formerly ,
a small square corner in a room separated from the rest of the apartment by wainscoting ,
forming a short passage to another apartment .
(
c )
By analogy with the French portail ,
used by recent writers for the whole architectural composition which surrounds and includes the doorways and porches of a church .
[
1913 Webster ]
3 . (
Bridge Building )
The space ,
at one end ,
between opposite trusses when these are terminated by inclined braces .
[
1913 Webster ]
4 .
A prayer book or breviary ;
a portass . [
Obs .]
[
1913 Webster ]
{
Portal bracing } (
Bridge Building ),
a combination of struts and ties which lie in the plane of the inclined braces at a portal ,
serving to transfer wind pressure from the upper parts of the trusses to an abutment or pier of the bridge .
[
1913 Webster ]
46 Moby Thesaurus words for "
portal ":
French door ,
archway ,
back door ,
barway ,
bulkhead ,
carriage entrance ,
cellar door ,
cellarway ,
door ,
doorjamb ,
doorpost ,
doorway ,
entrance ,
entrance hall ,
entranceway ,
entry ,
entryway ,
foyer ,
front door ,
galilee ,
gate ,
gatepost ,
gateway ,
hatch ,
hatchway ,
lintel ,
lobby ,
narthex ,
porch ,
porte cochere ,
portico ,
postern ,
propylaeum ,
pylon ,
scuttle ,
side door ,
stile ,
stoa ,
storm door ,
threshold ,
tollgate ,
trap ,
trap door ,
turnpike ,
turnstile ,
vestibule
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