DIOPTRICS

Noun

dioptrics

plural of dioptric

Noun

dioptrics (uncountable)

the study of the refraction of light, especially by lenses

Source: Wiktionary


Di*op"trics, n. Etym: [Gr. dioptrique.] (Optics)

Definition: The science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses;

– distinguished from catoptrics, which refers to reflected light.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 April 2025

CATCH

(verb) grasp with the mind or develop an understanding of; “did you catch that allusion?”; “We caught something of his theory in the lecture”; “don’t catch your meaning”; “did you get it?”; “She didn’t get the joke”; “I just don’t get him”


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Coffee Trivia

The average annual yield from one coffee tree is the equivalent of 1 to 1 1/2 pounds of roasted coffee. It takes about 4,000 hand-picked green coffee beans to make a pound of coffee.

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