To align light rays or particles into a parallel beam; to bring into line or correct the alignment of optical or mechanical systems.
From Latin 'collineare,' from 'col-' (together) plus 'lineare' (to make straight, from 'linea,' line), formed by blending with 'collimare,' likely influenced by 'collimatus' in scientific Latin.
Collimation is invisible magic in technology—telescopes, lasers, and microscopes all depend on perfectly collimated light beams, yet you'll never see these beams; you see only what they reveal!
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