rule of thumb

(redirected from rules of thumb)
Also found in: Dictionary, Thesaurus, Financial.

rule of thumb

An approximation; a suggested method or guideline. A good rule of thumb is to plant your seedlings around the end of May.
See also: of, rule, thumb

rule of thumb

a general principle developed through experiential rather than scientific means. As a rule of thumb, I move my houseplants outside in May. Going by a rule of thumb, we stop for gas every 200 miles when we are traveling.
See also: of, rule, thumb

rule of thumb

A rough and useful principle or method, based on experience rather than precisely accurate measures. For example, His work with the youth group is largely by rule of thumb. This expression alludes to making rough estimates of measurements by using one's thumb. [Second half of 1600s]
See also: of, rule, thumb
References in periodicals archive ?
Both the public irrationality thesis and the Republican brain hypothesis claim that ideological polarization arises from overreliance on cognitive rules of thumb.
Rules of thumb and formulas without competent analysis will not derive a value that is credible.
Essentially, the majority invoked two rules of thumb.
Lacking quantitative measures for comparing the benefits of insurance against its costs, firms understandably develop and rely upon simple rules of thumb for determining how much risk they should retain.
To apply these rules of thumb to the initial question, assume your herd has 20 ewes, two rams, and 36 weaned lambs.
Rules of thumb can have their place in a valuation.
Parker says that the people who make up rules of thumb rarely write
Relying on experience, rules of thumb and intuition, these doctors link the color, shape and surface features of their patients' tongues to specific health disorders.
Rules of Thumb for Chemical Engineers solves process design problems quickly, accurately and safely, with hundreds of common sense techniques, shortcuts and calculations.
Because rules of thumb or best estimates by management are generally considered to be low-quality evidence of fair value in that typically they are unsupported by accepted valuation practices used by qualified valuation specialists, the company may be required to record a "cheap stock charge" for additional compensation expense.
But someone in her situation should follow the general rules of thumb for saving and investing.
But the retailer has some general rules of thumb for choosing a site.
Accountants often revert to business valuation rules of thumb to determine ranges of value in these engagements.
Factory work was done according to the craft system; jobs were "trades," and their secrets and rules of thumb were passed down, slowly and grudgingly, from master to apprentice.
There should be similar local rules of thumb for other livestock as well.