An optical apparatus, used in lighthouses, etc., by which the whole, or nearly the whole, of the light from a lamp or other source is made…
| 单词 | θ64869 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > instruments to refract, etc., light > [noun] > holophote (1) holophote1859 An optical apparatus, used in lighthouses, etc., by which the whole, or nearly the whole, of the light from a lamp or other source is made… |
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