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Length

The length (length) is quantity of physics to show size of the spatial difference between two points, and it is the one of the basic quantity of SI.
It is said that or "the length of the object" "is merely the head" with size of the difference from length at the age of both ends, the edge along one axis of the object which it is clogged up, and there is of one object to the edge these two points.
In the-shaped object which length along one axis where it seems to be a string and a stick that "the length of the object" is defined particularly clearly is outstanding and has a long.
On the other hand, at the age of these two spots that two points left each other, a word of the distance is used than "the length" mainly.
The word of the distance needs not to be used in a meaning of "the length of the object".

As for the word of the distance, "the distance to U.S.A. is long" "size of the distance to the fixed star" again; is used to say when "the distance between Osaka, Tokyo is short".
It is thought that the word of the distance points at spatial difference itself between two points by these expression.

The word of "the length" is used about the time difference.
It is said that it is the head of the phenomenon by the length of the period when a certain phenomenon continues.
For example, it is length of the breath, length of the voice, length of the life, length of the history
The length of the note says the length of the sound that the note shows.

A small adjective to particularly "have a short" it that I particularly "have a long" that length is big is used even if I arrive in the case of whichever of time of the space.
When I say about time coldness, there is the thing that a character to "be long" is used.

Among length, the following things are called by a special name.

The unit of length is reference, too.

The SI unit of the length is a meter.
It is good, and the following units that I added a prefix to are used.

In the Japanese traditional weights and measures, the following units are used.

In yard pound method, the following units are used.

In the astronomy, the following units are used.