1, attribute: inch is the unit of length and belongs to quantifier.

2. Unit conversion:

10 is equal to 1 inch, and 10 inch is equal to 1 foot. 1 city inch1/30m.

3. Extended meaning:

Inch is a smaller unit of length, so "one inch" (the original meaning is the length of one inch) is extended to trace.

Example: The Biography of Jia Yi in Han Dynasty: "One inch of land, a large number of people, what is the benefit of the death of the son of heaven?"

With only one inch of land and only one person, the son of heaven did not benefit.

Extended data:

One inch is also a degree term for acupuncture measurement.

Prescription of Acupuncture and Moxibustion (Volume 89): "The method of its size ... still takes the patient, male left and female right, and the first section on the finger is one inch. There are also people who are uncertain about the length, that is, take the first section of the thumb, and the horizontal degree is one inch, which means that the news is clever and clumsy. "

Acupuncture Prescription: The method of its size is still based on the patient ..., male left and female right, and the first section of the middle finger is one inch. There are also people whose length is uncertain, so they clap their hands and raise the first section of their thumb, which extends horizontally to one inch to convey the news. The cleverness lies in the use of people.

Baidu encyclopedia-one inch