ACTINOGRAPH

Ac*tin"o*graph, n. Etym: [Gr. -graph.]

Definition: An instrument for measuring and recording the variations in the actinic or chemical force of rays of light. Nichol.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 March 2025

CLEVIS

(noun) a coupler shaped like the letter U with holes through each end so a bolt or pin can pass through the holes to complete the coupling; used to attach a drawbar to a plow or wagon or trailer etc.


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Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.

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