Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Impaction \Im*pac"tion\, n. [L. impactio a striking : cf. F.
impaction.]
1. (Surg.) The driving of one fragment of bone into another
so that the fragments are not movable upon each other; as,
impaction of the skull or of the hip.
[1913 Webster]
2. An immovable packing; (Med.), a lodgment of something in a
strait or passage of the body; as, impaction of the fetal
head in the strait of the pelvis; impaction of food or
feces in the intestines of man or beast.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
impaction
n 1: the condition of being pressed closely together and firmly
fixed
2: a disorder in which feces are impacted in the lower colon
3: a disorder in which a tooth is so crowded in its socket that
it cannot erupt normally [syn: {impaction}, {impacted tooth}]
4: a sharp collision produced by striking or dashing against
something [syn: {impingement}, {impaction}]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
