ULLMANNITE

Ull"mann*ite, n. Etym: [So named after J. C. Ullman, a German chemist.] (Min.)

Definition: A brittle mineral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

27 December 2024

OBLIGATE

(adjective) restricted to a particular condition of life; “an obligate anaerobe can survive only in the absence of oxygen”


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Coffee Trivia

“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States

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