DIOPTRES

Noun

dioptres

plural of dioptre

Anagrams

• diopters, dipteros, dropsite, peridots, portside, proetids, proteids, protides, pteroids, reptoids, riposted, topsider, tripodes

Source: Wiktionary


DIOPTRE

Di*op"tre, n. Etym: [F. See 2d Dioptric.] (Optics)

Definition: A unit employed by oculists in numbering glasses according to the metric system; a refractive power equal to that of a glass whose principal focal distance is one meter.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

4 April 2025

GUILLOTINE

(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”


coffee icon

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.

coffee icon