OPSIOMETER

Etymology

Noun

opsiometer (plural opsiometers)

An old instrument for measuring vision and determining the focal length of a lens that can correct an individual's imperfect eyesight.

Anagrams

• opisometer

Source: Wiktionary


Op`si*om"e*ter, n. Etym: [Gr. -meter: cf. F. opsiomètre.]

Definition: An instrument for measuring the limits of distincts vision in different individuals, and thus determiming the proper focal length of a lens for correcting imperfect sight. Brande & C.

Source: Webster’s Unabridged Dictionary 1913 Edition



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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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