| 释义 |
oc·clu·sion
\-üzhən\ noun
(-s)
Etymology: probably from (assumed) New Latin occlusion-, occlusio, from Latin occlusus (past participle of occludere to occlude) + -ion-, -io -ion
1. : the act of occluding or the state of being occluded : a shutting off or obstruction of something
< a coronary occlusion >
< the silting up and occlusion of the mouth of the river >
< the occlusion of sources of information >
as
a. : a blocking of the central passage of one reflex by preoccupation of nerve relays with passage of another
b.
(1) : the complete obstruction of the breath passage in the articulation of a stop
(2) : the complete obstruction of the mouth passage in the articulation of a nasal consonant
c.
(1) : the meteorological process of occluding
(2) : something that has been occluded; specifically : the front formed by a cold front overtaking a warm front and lifting the warm air above the earth's surface
2.
a. : the bringing of the opposing surfaces of the teeth of the two jaws into contact; also : the relation between the surfaces when in contact
b. : the transient approximation of the edges of a natural opening
< occlusion of the eyelids >
3. : sorption; especially : sorption of gases |