PHOTOVISUAL

Pho`to*vis"u*al, a. (Optics)

Definition: Of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

12 March 2025

BUDGERIGAR

(noun) small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors


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Coffee Trivia

According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.

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