AskDefine | Define collimate

Dictionary Definition



1 make or place parallel to something; "They paralleled the ditch to the highway" [syn: parallel]
2 adjust the line of sight of (an optical instrument)

User Contributed Dictionary



  1. To focus into a narrow beam or column.
    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.
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