Constant - teishiu

Japanese: 定数 - ていすう

〘noun〙① A fixed number. A number that is set by rules. ※Shoku Nihongi - Tenpyo 19th year (746), May Boin: "The number of employees is 280, the number of men is 50, and the number of employees _{is one} _. " ※Keikoku Bidan (1883-84), later by Yano Ryukei: "In general, there are two forces that will bring about great peace among the nations in the number of personnel affairs." ② A set destiny. A number of life. ※Kuka Nichiyo Koujutsu Ryakushu - Oan 7th year (1374), November 23rd: " _While temples rise and fall, _there are _two numbers, and it is also a reminder that _two things are not _{the same} , and they are all the same _in _{the end} ." [Liu Jun - Benmei Lun] ③ In mathematics, a character used in place of a certain numerical value, or a character that takes a certain value regardless of changes in the value of a variable. A constant. A constant number. ④ In mathematics, the value of a function does not change. ⑤ In natural science, a quantity that maintains a constant value throughout a specific change in state in natural phenomena. There are constants that are specific to each substance and state, and there are also universal constants that are absolutely unchanging regardless of the type of substance. ⑥ In computers, a numerical value that does not change within a program and is written directly into a statement in the form of a number. ⇔ Variable

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙① 一定の数。きまっているかず。規則などできめられた人数。※続日本紀‐天平一九年（746）五月戊寅「課口二百八十、中男五十、擬為_二定数_一」※経国美談（1883‐84）〈矢野龍渓〉後「凡そ人事の定数に於て列国の大平和を得せしむべきの勢ひ二つあり」② 定まった運命。命数。※空華日用工夫略集‐応安七年（1374）一一月二三日「伽藍興廃、雖_レ有_二定数_一、而又由_二人事不_一レ戒、自_レ微至_レ著皆是也」〔劉峻‐弁命論〕③ 数学で、ある一定の数値の代わりに使われる文字、または変数の値の変化とは無関係に一定の値をとる文字。常数。恒数。④ 数学で、関数値が変化しないこと。⑤ 自然科学で、自然事象の中で、特定の状態変化の間を通じて一定の値を保つ量。各物質・状態に固有のものと、物質の種類に関係なく絶対不変の普遍的定数がある。⑥ コンピュータで、プログラム内で値が変化することのない数値で、文の中に直接数字の形で書き込まれているもの。⇔変数

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