- Causing no loss in light; placed on reflectors which throw back the rays of light without perceptible loss.
- Causing no reduced light; -- put on reflectors which throw-back the rays of light without perceptible loss.
- In optics, with respect to a holophote; reflecting or refracting rays of light in the desired course without perceptible reduction: as, a holophotal reflector.
Sentence for "holophotal"
- New apparatus for lights in new…
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