collimate

动词 v.
中文释义
英 /ˈkɒlɪmeɪt/   

英文释义

动词 v.
  1. To focus into a narrow beam or column; to adjust a focusing device so that it produces a narrow beam.
    — Lead bricks were placed around the radioactive source so that the escaping gamma rays would be limited to a collimated beam rather than filling the lab.

词形变化

collimates present,singular,third-person collimating participle,present collimated participle,past collimated past

词源

First attested in 1623; borrowed from Latin collimātus, perfect passive participle of collīmō (see -ate (verb-forming suffix)), itself originating from a misreading of collīniō, collīneō.
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