impactor

US /'ɪmpæktə/

UK /'ɪmpæktə/

A1 初級
n.名詞撞擊物
The impactor struck the surface with tremendous force.
n.名詞撞擊器
The impactor is used to measure the force of collisions.
n.名詞撞擊體 (隕石學)
Scientists studied the crater left by the impactor.
n.名詞撞擊器 (環境科學)
The air quality monitor uses an impactor to collect particulate matter.

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