- effective temperature,
Origin of effectual
Examples from the Web for effectual
And when at last it is perceived that such pity cannot lead to effectual succor, common sense bids the soul be rid of it.
It is not a mere sprinkling that will do; it requires a forcible dashing to and fro, and that often repeated, to be effectual.Mrs. Hale's Receipts for the Million|Sarah Josepha Hale
But before another week had passed an effectual end was put for many a day to all plans for the "repair of the cathedral."Old St. Paul's Cathedral|William Benham
The prudence of Stilicho conceived and executed, without delay, the most effectual measure for the relief of the Roman people.The History of The Decline and Fall of the Roman Empire|Edward Gibbon
An effectual door, I hope, is opening amongst some of the heathen.
This was effectual, and Alexander returned from a temporary absence to find the work of weeks obliterated.
late 14c., Old French effectuel, from Late Latin effectualis, from Latin effectus "accomplishment, performance" (see effect (n.)). Used properly of actions (not agents) and with a sense "having the effect aimed at." Related: Effectually; effectuality.