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Rule of thumb   /rul əv θəm/   Listen
Rule of thumb

noun
1.
A rule or principle that provides guidance to appropriate behavior.  Synonyms: guideline, guidepost.






WordNet 3.0 © 2010 Princeton University








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"Rule of thumb" Quotes from Famous Books



... a horse trainer who did a little farming, or a farmer who did a little horse training, and his management of young horses followed no known rules, and indeed knew none, but it was generally successful. He fed them by rule of thumb; he herded them in hustling, squabbling parties in pitch-dark sheds; he ploughed them at eighteen months; he beat them with a stick like dogs when they transgressed, and like dogs they loved him. He had what gardeners call "a lucky hand" with them, and they ...
— All on the Irish Shore - Irish Sketches • E. Somerville and Martin Ross

... Rule of Three, But he knows a rule of thumb Better than Euclid's, better than yours, Or the ...
— Songs from Vagabondia • Bliss Carman and Richard Hovey

... in life that can be properly treated by rule of thumb. Good judgment is called for at every turn; and the habit of considering relative values in regard to all affairs is one that the student should constantly cultivate, no matter what dangers ...
— How To Study and Teaching How To Study • F. M. McMurry

... that of using heavy assaulting columns to charge the Liege forts, with the resultant horrible carnage. It was the old military rule of thumb. It went out at Liege, and the Mars of old, with his blood-dripping sword, had to stand aside as Modern Science stepped out of the Krupp factory with the great 42 centimeter gun. It took thirty ...
— The Sequel - What the Great War will mean to Australia • George A. Taylor

... fast? In cases where there are serious complaints to remedy but where there are no life threatening disease conditions, a good rule of thumb is to fast on water for one complete day (24 hours) for each year that the person has lived. If you are 30 years old, it will take 30 consecutive days of fasting to restore complete health. However, thirty fasting days, done a few days here and a few ...
— How and When to Be Your Own Doctor • Dr. Isabelle A. Moser with Steve Solomon



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