collimate

collimate
[ˈkɒlɪmeɪt]
verb
  1. [with obj.]make (rays of light or particles) accurately parallel
    使(光线,粒子线)平行
    [as adj. collimated]a collimated electron beam.
    一条平行电子束。
    ■accurately set the alignment of (an optical or other system)
    校准(光学系统,其他系统)
派生
collimation
noun
语源
  1. mid 19th cent.: from Latin collimare, an erroneous reading (in some editions of Cicero) of collineare 'align or aim', from col- 'together with' + linea 'line'
英语宝典
考试词汇表