impaction
n.
1739, from Latin impactionem (nominative impactio) "a striking against," noun of action from past participle stem of impingere (see impinge).
词汇 | impaction |
词根词缀 | Online Etymology Dictionary impaction n. 1739, from Latin impactionem (nominative impactio) "a striking against," noun of action from past participle stem of impingere (see impinge). |
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