The phrase, "rule of thumb" refers to a rule or guideline that is usually though not always correct, it lacks strict precision.
Its origin is very simple; it is based on the use of one's thumb as a measuring tool that, of course, can only give approximate measurements. Most Old English measurements originated from the bodily dimensions of the king such as the length of the "foot" for one foot, the inch (thumb tip to first knuckle), cubit (elbow-to-fingertip), and yard (nose-to-fingertip).
There is a second origin given for this phrase. In early English law, and potentially brought over in colonial American, a man was allowed to discipline his wife by beating her provided he used a stick no greater than the diameter of his thumb
Rule of thumb was a term, a miller would use when grinding flour.
He would rub the flour between his thumb and forefinger, if it was too course he would lower the grinding stones to make the flour finer.
The term Pogrom did not originate during the Holocaust.
The common idea that thumbs down was the sign of death for the defeated gladiator at the amphitheatre (which was an arena, not a ring) was thumb down. However, this is false. The name for the sign was "pollice verso", a Latin term which roughly translates to "turned thumb". We do not know the precise meaning of this term as we do not have a detailed description and we do not know the way the thumb was supposed to be pointed. \similarly, the term for sparing the gladiator was pollice compresso, "compressed thumb". Thus, it seems that it was neither thumb up or thumb down. You had to hide your thumb in your fist. The idea of thumb down is a later invention.
From the term "a viking", which means to go raiding.
because the lane is painted unlike the rest of the hardwood
Rule by the rich is called oligarchy. The term is applied to any society which is ruled by the rich, not just the Roman republic. It is a term which comes from Greek.
heuristics
Define the behavior clearly in objective term
In the early centuries it was acceptable for a man to hit his wife if she did something wrong. In order to rule the beating as non abusive, the husband had to use a stick that was no bigger than his thumb. That then gave way to the term, "rule of thumb."
There is no left handed rule. The correct term is right handed rule. Using the right handed rule, your thumb is pointing in the direction of current flow, and your fingers are pointing in the direction of magnetic flux flow.
"Rule of Thumb" means a rule or principle that provides guidance to appropriate behavior.
The rule of thumb is not intended to be accurate or reliable for every given situation. When a person is doing something by the rule of thumb, they are taking an educated guess.
what does the phrase rule of thumb mean
Rules of thumb
A misspelled "Rule of Thumb"
Where did the term derby originate?
Perhaps you're thinking of the phrase, "rule of thumb".
A useful principle but not intended to be reliable in every situation. Meaning the situation applies to everything because long ago the rule of thumb meant 1 inch equals your top of your thumb, so thats the rule of thumb. Over the years it has taken a more figurative meaning.