active principle

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A constituent of a drug, usually an alkaloid or glycoside, on which the characteristic therapeutic action of the substance largely depends.

QUIZZES

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!

Question 1 of 12

On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

But the qualities Mario Cuomo brought to public life—compassion, integrity, commitment to principle—remain in short supply today.
President Cuomo Would’ve Been a Lion|Jonathan Alter|January 2, 2015|DAILY BEAST
“The United States had gone to war declaring it must destroy an active weapons of mass destruction program,” the Times reported.
Political Memes That Absolutely Must Die in 2015|Asawin Suebsaeng|January 1, 2015|DAILY BEAST
Nixon said defending the two islands was “a matter of principle.”
The World’s Toughest Political Quiz|Jeff Greenfield|December 31, 2014|DAILY BEAST
Almost immediately, another group active at the protests called the Justice League snitches.
De Blasio and the New York City Protesters Have No Blood on Their Hands|Jacob Siegel|December 22, 2014|DAILY BEAST

If the noble experiment of American democracy is to mean anything, it is fidelity to the principle of freedom.
The Sony Hack and America’s Craven Capitulation To Terror|David Keyes|December 19, 2014|DAILY BEAST
Many so-called "humming tones" are given for practice, but in accepting them observe whether the foregoing principle is obeyed.
Expressive Voice Culture|Jessie Eldridge Southwick
We must have motif first, then technique to adapt and adjust expression and to develop facility in the active agents.
Expressive Voice Culture|Jessie Eldridge Southwick
With the announcement of the thirty-six directors, it was possible to proceed to the active opening of the institutions.
Readings in Money and Banking|Chester Arthur Phillips
He became one of the assistants of Mr. Wesley, and was active in the service of the church.
The Every Day Book of History and Chronology|Joel Munsell
The opposite of these two methods of rote learning is my method, which injects an active process between each pair of words.
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)