foot rule
Học thuậtThân thiện
Definition
Noun: A measuring instrument exactly one foot (12 inches) in length, typically marked with subdivisions like inches and fractions of an inch, used for taking linear measurements.
Usage
The term "foot rule" specifically refers to the physical object—a ruler of a fixed, standard length. It is used for measuring, drawing straight lines, or as a guide for cutting.
Examples
- The carpenter used a foot rule to mark the board before cutting it.
- For this craft project, a foot rule is more convenient than a longer tape measure.
- The diagram must be drawn to scale using a foot rule.
Advanced Usage
- While "foot rule" explicitly denotes a 12-inch ruler, in some contexts, it can be used more generally to imply a standard or benchmark for measurement, though this is less common.
- He used his own experience as a foot rule for judging the difficulty of the task. (Figurative use)
Variants and Related Words
- Ruler: The general term for a straight strip of material marked for measuring. A foot rule is a type of ruler.
- Yardstick: A measuring instrument three feet (36 inches) long.
- Tape Measure: A flexible ruler housed in a case, used for measuring longer or curved distances.
Synonyms
- Twelve-inch ruler
- One-foot ruler
Antonyms
- There is no direct antonym for a physical measuring tool. Conceptually, one might consider "estimate" or "guess" as opposites to using a precise rule.
Related Phrases
- Rule of thumb: A practical, approximate method or procedure derived from experience rather than theory. (Note: This common phrase is related etymologically to "rule" as a measuring stick but has a distinct, idiomatic meaning).
- As a rule of thumb, allow the paint to dry for two hours.
Noun
- a ruler one foot long